972575531 has 4 divisors (see below), whose sum is σ = 976086912. Its totient is φ = 969064152.

The previous prime is 972575509. The next prime is 972575567. The reversal of 972575531 is 135575279.

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 972575531 - 2¹⁰ = 972574507 is a prime.

It is a super-2 number, since 2×972575531² = 1891806326999863922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972575501) 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 3 ways as a sum of consecutive naturals, for example, 1755275 + ... + 1755828.

It is an arithmetic number, because the mean of its divisors is an integer number (244021728).

Almost surely, 2^972575531 is an apocalyptic number.

972575531 is a deficient number, since it is larger than the sum of its proper divisors (3511381).

972575531 is a wasteful number, since it uses less digits than its factorization.

972575531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511380.

The product of its digits is 330750, while the sum is 44.

The square root of 972575531 is about 31186.1432530539. The cubic root of 972575531 is about 990.7736465347.

The spelling of 972575531 in words is "nine hundred seventy-two million, five hundred seventy-five thousand, five hundred thirty-one".