525681396325 has 24 divisors (see below), whose sum is σ = 663037473600. Its totient is φ = 413327228160.

The previous prime is 525681396281. The next prime is 525681396337. The reversal of 525681396325 is 523693186525.

It is a happy number.

It is not a de Polignac number, because 525681396325 - 2⁷ = 525681396197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7195581 + ... + 7268269.

It is an arithmetic number, because the mean of its divisors is an integer number (27626561400).

Almost surely, 2^525681396325 is an apocalyptic number.

It is an amenable number.

525681396325 is a deficient number, since it is larger than the sum of its proper divisors (137356077275).

525681396325 is a wasteful number, since it uses less digits than its factorization.

525681396325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77661 (or 77656 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 55.

The spelling of 525681396325 in words is "five hundred twenty-five billion, six hundred eighty-one million, three hundred ninety-six thousand, three hundred twenty-five".