630470051 has 2 divisors, whose sum is σ = 630470052. Its totient is φ = 630470050.

The previous prime is 630470003. The next prime is 630470059. The reversal of 630470051 is 150074036.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 630470051 - 2²⁶ = 563361187 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 630470051.

It is not a weakly prime, because it can be changed into another prime (630470059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315235025 + 315235026.

It is an arithmetic number, because the mean of its divisors is an integer number (315235026).

Almost surely, 2^630470051 is an apocalyptic number.

630470051 is a deficient number, since it is larger than the sum of its proper divisors (1).

630470051 is an equidigital number, since it uses as much as digits as its factorization.

630470051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 630470051 is about 25109.1626901416. The cubic root of 630470051 is about 857.4750398886.

The spelling of 630470051 in words is "six hundred thirty million, four hundred seventy thousand, fifty-one".