630503625 has 64 divisors (see below), whose sum is σ = 1092858624. Its totient is φ = 322560000.

The previous prime is 630503611. The next prime is 630503651. The reversal of 630503625 is 526305036.

It is not a de Polignac number, because 630503625 - 2⁴ = 630503609 is a prime.

It is a super-2 number, since 2×630503625² = 795069642276281250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 630503592 and 630503601.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 983305 + ... + 983945.

It is an arithmetic number, because the mean of its divisors is an integer number (17075916).

Almost surely, 2^630503625 is an apocalyptic number.

It is an amenable number.

630503625 is a deficient number, since it is larger than the sum of its proper divisors (462354999).

630503625 is a wasteful number, since it uses less digits than its factorization.

630503625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 753 counting only the distinct ones).

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

The square root of 630503625 is about 25109.8312419658. The cubic root of 630503625 is about 857.4902604667.

The spelling of 630503625 in words is "six hundred thirty million, five hundred three thousand, six hundred twenty-five".