630519625 has 16 divisors (see below), whose sum is σ = 787602816. Its totient is φ = 503958000.

The previous prime is 630519611. The next prime is 630519629. The reversal of 630519625 is 526915036.

It is a de Polignac number, because none of the positive numbers 2^k-630519625 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630519629) 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, 229510 + ... + 232240.

It is an arithmetic number, because the mean of its divisors is an integer number (49225176).

Almost surely, 2^630519625 is an apocalyptic number.

It is an amenable number.

630519625 is a deficient number, since it is larger than the sum of its proper divisors (157083191).

630519625 is a wasteful number, since it uses less digits than its factorization.

630519625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4593 (or 4583 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 630519625 is about 25110.1498402538. The cubic root of 630519625 is about 857.4975137838.

The spelling of 630519625 in words is "six hundred thirty million, five hundred nineteen thousand, six hundred twenty-five".