5131575 has 18 divisors (see below), whose sum is σ = 9191624. Its totient is φ = 2736720.

The previous prime is 5131571. The next prime is 5131627. The reversal of 5131575 is 5751315.

It is not a de Polignac number, because 5131575 - 2² = 5131571 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11179 + ... + 11628.

Almost surely, 2^5131575 is an apocalyptic number.

5131575 is a deficient number, since it is larger than the sum of its proper divisors (4060049).

5131575 is a wasteful number, since it uses less digits than its factorization.

5131575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22823 (or 22815 counting only the distinct ones).

The product of its digits is 2625, while the sum is 27.

The square root of 5131575 is about 2265.2979936423. The cubic root of 5131575 is about 172.4845606850.

It can be divided in two parts, 51 and 31575, that added together give a triangular number (31626 = T₂₅₁).

The spelling of 5131575 in words is "five million, one hundred thirty-one thousand, five hundred seventy-five".