630056534 has 4 divisors (see below), whose sum is σ = 945084804. Its totient is φ = 315028266.

The previous prime is 630056519. The next prime is 630056563. The reversal of 630056534 is 435650036.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 630056534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157514132 + ... + 157514135.

It is an arithmetic number, because the mean of its divisors is an integer number (236271201).

Almost surely, 2^630056534 is an apocalyptic number.

630056534 is a deficient number, since it is larger than the sum of its proper divisors (315028270).

630056534 is a wasteful number, since it uses less digits than its factorization.

630056534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315028269.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 630056534 is about 25100.9269549951. The cubic root of 630056534 is about 857.2875300271.

The spelling of 630056534 in words is "six hundred thirty million, fifty-six thousand, five hundred thirty-four".