5631256 has 8 divisors (see below), whose sum is σ = 10558620. Its totient is φ = 2815624.

The previous prime is 5631221. The next prime is 5631257. The reversal of 5631256 is 6521365.

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

It is a super-2 number, since 2×5631256² = 63422088275072, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351946 + ... + 351961.

Almost surely, 2^5631256 is an apocalyptic number.

It is an amenable number.

5631256 is a deficient number, since it is larger than the sum of its proper divisors (4927364).

5631256 is a wasteful number, since it uses less digits than its factorization.

5631256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703913 (or 703909 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 5631256 is about 2373.0267592254. The cubic root of 5631256 is about 177.9105724252.

The spelling of 5631256 in words is "five million, six hundred thirty-one thousand, two hundred fifty-six".