631064052 has 18 divisors (see below), whose sum is σ = 1595189778. Its totient is φ = 210354672.

The previous prime is 631064051. The next prime is 631064069. The reversal of 631064052 is 250460136.

631064052 is a `hidden beast` number, since 6 + 3 + 10 + 640 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 625700196 + 5363856 = 25014^2 + 2316^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631064051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8764743 + ... + 8764814.

Almost surely, 2^631064052 is an apocalyptic number.

It is an amenable number.

631064052 is an abundant number, since it is smaller than the sum of its proper divisors (964125726).

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

631064052 is a wasteful number, since it uses less digits than its factorization.

631064052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17529567 (or 17529562 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 631064052 is about 25120.9882767378. The cubic root of 631064052 is about 857.7442470484.

The spelling of 631064052 in words is "six hundred thirty-one million, sixty-four thousand, fifty-two".