630052155 has 64 divisors (see below), whose sum is σ = 1155686400. Its totient is φ = 325503360.

The previous prime is 630052139. The next prime is 630052187. The reversal of 630052155 is 551250036.

630052155 is a `hidden beast` number, since 630 + 0 + 5 + 21 + 5 + 5 = 666.

It is not a de Polignac number, because 630052155 - 2⁴ = 630052139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 691150 + ... + 692060.

It is an arithmetic number, because the mean of its divisors is an integer number (18057600).

Almost surely, 2^630052155 is an apocalyptic number.

630052155 is a deficient number, since it is larger than the sum of its proper divisors (525634245).

630052155 is a wasteful number, since it uses less digits than its factorization.

630052155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 630052155 is about 25100.8397269892. The cubic root of 630052155 is about 857.2855439245.

The spelling of 630052155 in words is "six hundred thirty million, fifty-two thousand, one hundred fifty-five".