975106531 has 4 divisors (see below), whose sum is σ = 1114407472. Its totient is φ = 835805592.

The previous prime is 975106529. The next prime is 975106537. The reversal of 975106531 is 135601579.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 975106531 - 2¹ = 975106529 is a prime.

It is a super-2 number, since 2×975106531² = 1901665493597707922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (975106537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69650460 + ... + 69650473.

It is an arithmetic number, because the mean of its divisors is an integer number (278601868).

Almost surely, 2^975106531 is an apocalyptic number.

975106531 is a deficient number, since it is larger than the sum of its proper divisors (139300941).

975106531 is a wasteful number, since it uses less digits than its factorization.

975106531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139300940.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 975106531 is about 31226.6958066331. The cubic root of 975106531 is about 991.6323548078.

The spelling of 975106531 in words is "nine hundred seventy-five million, one hundred six thousand, five hundred thirty-one".