631085852 has 12 divisors (see below), whose sum is σ = 1117706856. Its totient is φ = 311741040.

The previous prime is 631085837. The next prime is 631085857. The reversal of 631085852 is 258580136.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631085857) 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, 950099 + ... + 950762.

It is an arithmetic number, because the mean of its divisors is an integer number (93142238).

Almost surely, 2^631085852 is an apocalyptic number.

It is an amenable number.

631085852 is a deficient number, since it is larger than the sum of its proper divisors (486621004).

631085852 is a wasteful number, since it uses less digits than its factorization.

631085852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900948 (or 1900946 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 631085852 is about 25121.4221731175. The cubic root of 631085852 is about 857.7541238109.

The spelling of 631085852 in words is "six hundred thirty-one million, eighty-five thousand, eight hundred fifty-two".