25160432525 has 12 divisors (see below), whose sum is σ = 31211217012. Its totient is φ = 20120423040.

The previous prime is 25160432477. The next prime is 25160432543. The reversal of 25160432525 is 52523406152.

It can be written as a sum of positive squares in 6 ways, for example, as 4790577796 + 20369854729 = 69214^2 + 142723^2 .

It is not a de Polignac number, because 25160432525 - 2³⁴ = 7980563341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132872 + ... + 260721.

It is an arithmetic number, because the mean of its divisors is an integer number (2600934751).

Almost surely, 2^25160432525 is an apocalyptic number.

25160432525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25160432525 is a deficient number, since it is larger than the sum of its proper divisors (6050784487).

25160432525 is a wasteful number, since it uses less digits than its factorization.

25160432525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396160 (or 396155 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 25160432525 its reverse (52523406152), we get a palindrome (77683838677).

The spelling of 25160432525 in words is "twenty-five billion, one hundred sixty million, four hundred thirty-two thousand, five hundred twenty-five".