631532 has 24 divisors (see below), whose sum is σ = 1247232. Its totient is φ = 277200.

The previous prime is 631531. The next prime is 631537. The reversal of 631532 is 235136.

631532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133 + ... + 1595.

It is an arithmetic number, because the mean of its divisors is an integer number (51968).

2⁶³¹⁵³² is an apocalyptic number.

631532 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

631532 is a deficient number, since it is larger than the sum of its proper divisors (615700).

631532 is a wasteful number, since it uses less digits than its factorization.

631532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 507 counting only the distinct ones).

The product of its digits is 540, while the sum is 20.

The square root of 631532 is about 794.6898766185. The cubic root of 631532 is about 85.7956206798.

Adding to 631532 its reverse (235136), we get a palindrome (866668).

The spelling of 631532 in words is "six hundred thirty-one thousand, five hundred thirty-two".