631032552 has 64 divisors (see below), whose sum is σ = 1755345600. Its totient is φ = 210047040.

The previous prime is 631032527. The next prime is 631032557. The reversal of 631032552 is 255230136.

631032552 is a `hidden beast` number, since 6 + 3 + 103 + 2 + 552 = 666.

631032552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (631032557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194302 + ... + 197522.

It is an arithmetic number, because the mean of its divisors is an integer number (27427275).

Almost surely, 2^631032552 is an apocalyptic number.

It is an amenable number.

631032552 is an abundant number, since it is smaller than the sum of its proper divisors (1124313048).

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

631032552 is a wasteful number, since it uses less digits than its factorization.

631032552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143 (or 4133 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 631032552 is about 25120.3613031342. The cubic root of 631032552 is about 857.7299751779.

Adding to 631032552 its reverse (255230136), we get a palindrome (886262688).

The spelling of 631032552 in words is "six hundred thirty-one million, thirty-two thousand, five hundred fifty-two".