5631975 has 18 divisors (see below), whose sum is σ = 10087896. Its totient is φ = 3003600.

The previous prime is 5631973. The next prime is 5631979. The reversal of 5631975 is 5791365.

It is a happy number.

5631975 is a `hidden beast` number, since 563 + 1 + 97 + 5 = 666.

It is not a de Polignac number, because 5631975 - 2¹ = 5631973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12291 + ... + 12740.

Almost surely, 2^5631975 is an apocalyptic number.

5631975 is a deficient number, since it is larger than the sum of its proper divisors (4455921).

5631975 is a wasteful number, since it uses less digits than its factorization.

5631975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25047 (or 25039 counting only the distinct ones).

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

The square root of 5631975 is about 2373.1782486783. The cubic root of 5631975 is about 177.9181439899.

The spelling of 5631975 in words is "five million, six hundred thirty-one thousand, nine hundred seventy-five".