630291652 has 12 divisors (see below), whose sum is σ = 1103280640. Its totient is φ = 315068616.

The previous prime is 630291583. The next prime is 630291661. The reversal of 630291652 is 256192036.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573 + ... + 35539.

Almost surely, 2^630291652 is an apocalyptic number.

It is an amenable number.

630291652 is a deficient number, since it is larger than the sum of its proper divisors (472988988).

630291652 is a wasteful number, since it uses less digits than its factorization.

630291652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38610 (or 38608 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 630291652 is about 25105.6099706819. The cubic root of 630291652 is about 857.3941546718.

The spelling of 630291652 in words is "six hundred thirty million, two hundred ninety-one thousand, six hundred fifty-two".