975131 has 4 divisors (see below), whose sum is σ = 1017552. Its totient is φ = 932712.

The previous prime is 975089. The next prime is 975133. The reversal of 975131 is 131579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131579 = 7 ⋅18797.

It is a cyclic number.

It is not a de Polignac number, because 975131 - 2¹⁰ = 974107 is a prime.

It is a super-2 number, since 2×975131² = 1901760934322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 975131.

It is not an unprimeable number, because it can be changed into a prime (975133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21176 + ... + 21221.

It is an arithmetic number, because the mean of its divisors is an integer number (254388).

2⁹⁷⁵¹³¹ is an apocalyptic number.

975131 is a deficient number, since it is larger than the sum of its proper divisors (42421).

975131 is a wasteful number, since it uses less digits than its factorization.

975131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42420.

The product of its digits is 945, while the sum is 26.

The square root of 975131 is about 987.4872151071. The cubic root of 975131 is about 99.1640649303.

The spelling of 975131 in words is "nine hundred seventy-five thousand, one hundred thirty-one".