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25252533 = 332932251
BaseRepresentation
bin110000001010…
…1001010110101
31202111221222000
41200111022311
522431040113
62301125513
7424433355
oct140251265
952457860
1025252533
1113288669
128559899
135302137
1434d4b65
15233c373
hex18152b5

25252533 has 16 divisors (see below), whose sum is σ = 38702400. Its totient is φ = 16254000.

The previous prime is 25252529. The next prime is 25252541. The reversal of 25252533 is 33525252.

It is not a de Polignac number, because 25252533 - 22 = 25252529 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25252497 and 25252506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252033) 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 15 ways as a sum of consecutive naturals, for example, 15343 + ... + 16908.

It is an arithmetic number, because the mean of its divisors is an integer number (2418900).

Almost surely, 225252533 is an apocalyptic number.

It is an amenable number.

25252533 is a deficient number, since it is larger than the sum of its proper divisors (13449867).

25252533 is a wasteful number, since it uses less digits than its factorization.

25252533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32289 (or 32283 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 25252533 is about 5025.1898471600. The cubic root of 25252533 is about 293.3830251846.

Adding to 25252533 its reverse (33525252), we get a palindrome (58777785).

The spelling of 25252533 in words is "twenty-five million, two hundred fifty-two thousand, five hundred thirty-three".

Divisors: 1 3 9 27 29 87 261 783 32251 96753 290259 870777 935279 2805837 8417511 25252533