10256631 has 24 divisors (see below), whose sum is σ = 17357184. Its totient is φ = 5327280.

The previous prime is 10256621. The next prime is 10256663. The reversal of 10256631 is 13665201.

10256631 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 10256631 - 2²² = 6062327 is a prime.

It is a super-2 number, since 2×10256631² = 210396958940322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10256621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1555 + ... + 4788.

It is an arithmetic number, because the mean of its divisors is an integer number (723216).

Almost surely, 2^10256631 is an apocalyptic number.

10256631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10256631 is a deficient number, since it is larger than the sum of its proper divisors (7100553).

10256631 is a wasteful number, since it uses less digits than its factorization.

10256631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371 (or 6364 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 10256631 is about 3202.5975394982. The cubic root of 10256631 is about 217.2709068847.

The spelling of 10256631 in words is "ten million, two hundred fifty-six thousand, six hundred thirty-one".