631314253 has 8 divisors (see below), whose sum is σ = 654192000. Its totient is φ = 608510448.

The previous prime is 631314223. The next prime is 631314331. The reversal of 631314253 is 352413136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 631314253 - 2²¹ = 629217101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631314223) 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, 801 + ... + 35542.

It is an arithmetic number, because the mean of its divisors is an integer number (81774000).

Almost surely, 2^631314253 is an apocalyptic number.

It is an amenable number.

631314253 is a deficient number, since it is larger than the sum of its proper divisors (22877747).

631314253 is a wasteful number, since it uses less digits than its factorization.

631314253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36971.

The product of its digits is 6480, while the sum is 28.

The square root of 631314253 is about 25125.9677027572. The cubic root of 631314253 is about 857.8575900663.

Adding to 631314253 its reverse (352413136), we get a palindrome (983727389).

The spelling of 631314253 in words is "six hundred thirty-one million, three hundred fourteen thousand, two hundred fifty-three".