975231 has 6 divisors (see below), whose sum is σ = 1408680. Its totient is φ = 650148.

The previous prime is 975217. The next prime is 975257. The reversal of 975231 is 132579.

It is not a de Polignac number, because 975231 - 2⁵ = 975199 is a prime.

It is a super-2 number, since 2×975231² = 1902151006722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 975195 and 975204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (975281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54171 + ... + 54188.

It is an arithmetic number, because the mean of its divisors is an integer number (234780).

2⁹⁷⁵²³¹ is an apocalyptic number.

975231 is a deficient number, since it is larger than the sum of its proper divisors (433449).

975231 is a wasteful number, since it uses less digits than its factorization.

975231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108365 (or 108362 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 975231 is about 987.5378473760. The cubic root of 975231 is about 99.1674545834.

The spelling of 975231 in words is "nine hundred seventy-five thousand, two hundred thirty-one".