5631957 has 8 divisors (see below), whose sum is σ = 8343680. Its totient is φ = 3754620.

The previous prime is 5631949. The next prime is 5631973. The reversal of 5631957 is 7591365.

It is a happy number.

5631957 is a `hidden beast` number, since 563 + 1 + 95 + 7 = 666.

It is not a de Polignac number, because 5631957 - 2³ = 5631949 is a prime.

It is a Duffinian number.

5631957 is a lucky number.

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 in 7 ways as a sum of consecutive naturals, for example, 104269 + ... + 104322.

It is an arithmetic number, because the mean of its divisors is an integer number (1042960).

Almost surely, 2^5631957 is an apocalyptic number.

It is an amenable number.

5631957 is a deficient number, since it is larger than the sum of its proper divisors (2711723).

5631957 is a wasteful number, since it uses less digits than its factorization.

5631957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208600 (or 208594 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 5631957 is about 2373.1744562927. The cubic root of 5631957 is about 177.9179544454.

The spelling of 5631957 in words is "five million, six hundred thirty-one thousand, nine hundred fifty-seven".