525680631 has 16 divisors (see below), whose sum is σ = 890041600. Its totient is φ = 300388824.

The previous prime is 525680627. The next prime is 525680689. The reversal of 525680631 is 136086525.

It is not a de Polignac number, because 525680631 - 2² = 525680627 is a prime.

It is a super-2 number, since 2×525680631² = 552680251617116322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525680131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1390501 + ... + 1390878.

It is an arithmetic number, because the mean of its divisors is an integer number (55627600).

Almost surely, 2^525680631 is an apocalyptic number.

525680631 is a deficient number, since it is larger than the sum of its proper divisors (364360969).

525680631 is a wasteful number, since it uses less digits than its factorization.

525680631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781395 (or 2781389 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 525680631 is about 22927.7262501104. The cubic root of 525680631 is about 807.0627913718.

The spelling of 525680631 in words is "five hundred twenty-five million, six hundred eighty thousand, six hundred thirty-one".