631266875 has 40 divisors (see below), whose sum is σ = 819787584. Its totient is φ = 485604000.

The previous prime is 631266869. The next prime is 631266877. The reversal of 631266875 is 578662136.

631266875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 631266875 - 2⁴ = 631266859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631266877) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2230484 + ... + 2230766.

Almost surely, 2^631266875 is an apocalyptic number.

631266875 is a deficient number, since it is larger than the sum of its proper divisors (188520709).

631266875 is an equidigital number, since it uses as much as digits as its factorization.

631266875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 414 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 631266875 is about 25125.0248756096. The cubic root of 631266875 is about 857.8361297590.

The spelling of 631266875 in words is "six hundred thirty-one million, two hundred sixty-six thousand, eight hundred seventy-five".