630606051 has 24 divisors (see below), whose sum is σ = 933531456. Its totient is φ = 409978800.

The previous prime is 630606037. The next prime is 630606071. The reversal of 630606051 is 150606036.

630606051 is a `hidden beast` number, since 6 + 3 + 0 + 606 + 0 + 51 = 666.

It is not a de Polignac number, because 630606051 - 2¹⁴ = 630589667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630606001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 433876 + ... + 435326.

It is an arithmetic number, because the mean of its divisors is an integer number (38897144).

Almost surely, 2^630606051 is an apocalyptic number.

630606051 is a deficient number, since it is larger than the sum of its proper divisors (302925405).

630606051 is a wasteful number, since it uses less digits than its factorization.

630606051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623 (or 2620 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 630606051 is about 25111.8707188453. The cubic root of 630606051 is about 857.5366913612.

The spelling of 630606051 in words is "six hundred thirty million, six hundred six thousand, fifty-one".