630176252 has 6 divisors (see below), whose sum is σ = 1102808448. Its totient is φ = 315088124.

The previous prime is 630176251. The next prime is 630176257. The reversal of 630176252 is 252671036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630176251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78772028 + ... + 78772035.

It is an arithmetic number, because the mean of its divisors is an integer number (183801408).

Almost surely, 2^630176252 is an apocalyptic number.

It is an amenable number.

630176252 is a deficient number, since it is larger than the sum of its proper divisors (472632196).

630176252 is a wasteful number, since it uses less digits than its factorization.

630176252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157544067 (or 157544065 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 630176252 is about 25103.3115743720. The cubic root of 630176252 is about 857.3418247574.

The spelling of 630176252 in words is "six hundred thirty million, one hundred seventy-six thousand, two hundred fifty-two".