631163275 has 6 divisors (see below), whose sum is σ = 782642492. Its totient is φ = 504930600.

The previous prime is 631163257. The next prime is 631163287. The reversal of 631163275 is 572361136.

It is not a de Polignac number, because 631163275 - 2⁵ = 631163243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 631163275.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12623241 + ... + 12623290.

Almost surely, 2^631163275 is an apocalyptic number.

631163275 is a deficient number, since it is larger than the sum of its proper divisors (151479217).

631163275 is a wasteful number, since it uses less digits than its factorization.

631163275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25246541 (or 25246536 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 631163275 is about 25122.9631015133. The cubic root of 631163275 is about 857.7891994306.

The spelling of 631163275 in words is "six hundred thirty-one million, one hundred sixty-three thousand, two hundred seventy-five".