631053560 has 16 divisors (see below), whose sum is σ = 1419870600. Its totient is φ = 252421408.

The previous prime is 631053551. The next prime is 631053569. The reversal of 631053560 is 65350136.

It is an interprime number because it is at equal distance from previous prime (631053551) and next prime (631053569).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631053569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7888130 + ... + 7888209.

Almost surely, 2^631053560 is an apocalyptic number.

It is an amenable number.

631053560 is an abundant number, since it is smaller than the sum of its proper divisors (788817040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631053560 is a wasteful number, since it uses less digits than its factorization.

631053560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15776350 (or 15776346 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 631053560 is about 25120.7794465060. The cubic root of 631053560 is about 857.7394934356.

The spelling of 631053560 in words is "six hundred thirty-one million, fifty-three thousand, five hundred sixty".