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25242325 = 522937941
BaseRepresentation
bin110000001001…
…0101011010101
31202111102221221
41200102223111
522430223300
62301010341
7424361533
oct140225325
952442857
1025242325
1113280a29
1285539b1
1352ca5b4
1434d1153
15233931a
hex1812ad5

25242325 has 24 divisors (see below), whose sum is σ = 33290280. Its totient is φ = 18950400.

The previous prime is 25242323. The next prime is 25242341. The reversal of 25242325 is 52324252.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 1359556 + 23882769 = 1166^2 + 4887^2 .

It is not a de Polignac number, because 25242325 - 21 = 25242323 is a prime.

It is a super-3 number, since 3×252423253 (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 25242325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25242323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26355 + ... + 27295.

It is an arithmetic number, because the mean of its divisors is an integer number (1387095).

Almost surely, 225242325 is an apocalyptic number.

25242325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25242325 is a deficient number, since it is larger than the sum of its proper divisors (8047955).

25242325 is a wasteful number, since it uses less digits than its factorization.

25242325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 1012 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 25242325 is about 5024.1740614752. The cubic root of 25242325 is about 293.3434877970.

Adding to 25242325 its reverse (52324252), we get a palindrome (77566577).

The spelling of 25242325 in words is "twenty-five million, two hundred forty-two thousand, three hundred twenty-five".

Divisors: 1 5 25 29 37 145 185 725 925 941 1073 4705 5365 23525 26825 27289 34817 136445 174085 682225 870425 1009693 5048465 25242325