630262651 has 4 divisors (see below), whose sum is σ = 633430000. Its totient is φ = 627095304.

The previous prime is 630262637. The next prime is 630262663. The reversal of 630262651 is 156262036.

630262651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630262651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630262601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583376 + ... + 1583773.

It is an arithmetic number, because the mean of its divisors is an integer number (158357500).

Almost surely, 2^630262651 is an apocalyptic number.

630262651 is a deficient number, since it is larger than the sum of its proper divisors (3167349).

630262651 is a wasteful number, since it uses less digits than its factorization.

630262651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167348.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 630262651 is about 25105.0323839664. The cubic root of 630262651 is about 857.3810043208.

The spelling of 630262651 in words is "six hundred thirty million, two hundred sixty-two thousand, six hundred fifty-one".