525306630 has 48 divisors (see below), whose sum is σ = 1339281360. Its totient is φ = 131839488.

The previous prime is 525306611. The next prime is 525306653. The reversal of 525306630 is 36603525.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21625 + ... + 38964.

It is an arithmetic number, because the mean of its divisors is an integer number (27901695).

Almost surely, 2^525306630 is an apocalyptic number.

525306630 is an abundant number, since it is smaller than the sum of its proper divisors (813974730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525306630 is a wasteful number, since it uses less digits than its factorization.

525306630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60633 (or 60616 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 525306630 is about 22919.5687132197. The cubic root of 525306630 is about 806.8713481999.

The spelling of 525306630 in words is "five hundred twenty-five million, three hundred six thousand, six hundred thirty".