631352 has 8 divisors (see below), whose sum is σ = 1183800. Its totient is φ = 315672.

The previous prime is 631339. The next prime is 631357. The reversal of 631352 is 253136.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39452 + ... + 39467.

It is an arithmetic number, because the mean of its divisors is an integer number (147975).

2⁶³¹³⁵² is an apocalyptic number.

It is an amenable number.

631352 is a deficient number, since it is larger than the sum of its proper divisors (552448).

631352 is a wasteful number, since it uses less digits than its factorization.

631352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78925 (or 78921 counting only the distinct ones).

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

The square root of 631352 is about 794.5766168218. The cubic root of 631352 is about 85.7874687154.

Adding to 631352 its reverse (253136), we get a palindrome (884488).

The spelling of 631352 in words is "six hundred thirty-one thousand, three hundred fifty-two".