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25432325 = 521017293
BaseRepresentation
bin110000100000…
…1000100000101
31202212002120222
41201001010011
523002313300
62305034125
7426112502
oct141010405
952762528
1025432325
11133a0756
128625945
135365c19
1435404a9
152375785
hex1841105

25432325 has 6 divisors (see below), whose sum is σ = 31536114. Its totient is φ = 20345840.

The previous prime is 25432321. The next prime is 25432339. The reversal of 25432325 is 52323452.

It can be written as a sum of positive squares in 3 ways, for example, as 40804 + 25391521 = 202^2 + 5039^2 .

It is not a de Polignac number, because 25432325 - 22 = 25432321 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25432294 and 25432303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25432321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 508622 + ... + 508671.

It is an arithmetic number, because the mean of its divisors is an integer number (5256019).

Almost surely, 225432325 is an apocalyptic number.

25432325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25432325 is a deficient number, since it is larger than the sum of its proper divisors (6103789).

25432325 is a wasteful number, since it uses less digits than its factorization.

25432325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017303 (or 1017298 counting only the distinct ones).

The product of its digits is 7200, while the sum is 26.

The square root of 25432325 is about 5043.0471939097. The cubic root of 25432325 is about 294.0776516007.

Adding to 25432325 its reverse (52323452), we get a palindrome (77755777).

The spelling of 25432325 in words is "twenty-five million, four hundred thirty-two thousand, three hundred twenty-five".

Divisors: 1 5 25 1017293 5086465 25432325