561631352 has 32 divisors (see below), whose sum is σ = 1063940400. Its totient is φ = 277929984.

The previous prime is 561631349. The next prime is 561631361. The reversal of 561631352 is 253136165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354899 + ... + 356477.

Almost surely, 2^561631352 is an apocalyptic number.

It is an amenable number.

561631352 is a deficient number, since it is larger than the sum of its proper divisors (502309048).

561631352 is a wasteful number, since it uses less digits than its factorization.

561631352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015 (or 2011 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 561631352 is about 23698.7626681226. The cubic root of 561631352 is about 825.0566729357.

The spelling of 561631352 in words is "five hundred sixty-one million, six hundred thirty-one thousand, three hundred fifty-two".