630156532 has 12 divisors (see below), whose sum is σ = 1102977316. Its totient is φ = 315020160.

The previous prime is 630156517. The next prime is 630156539. The reversal of 630156532 is 235651036.

It can be written as a sum of positive squares in 2 ways, for example, as 187306596 + 442849936 = 13686^2 + 21044^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 630156494 and 630156503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630156539) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17932 + ... + 39772.

Almost surely, 2^630156532 is an apocalyptic number.

It is an amenable number.

630156532 is a deficient number, since it is larger than the sum of its proper divisors (472820784).

630156532 is a wasteful number, since it uses less digits than its factorization.

630156532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29058 (or 29056 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 630156532 is about 25102.9187944350. The cubic root of 630156532 is about 857.3328817794.

The spelling of 630156532 in words is "six hundred thirty million, one hundred fifty-six thousand, five hundred thirty-two".