973165931 has 2 divisors, whose sum is σ = 973165932. Its totient is φ = 973165930.

The previous prime is 973165861. The next prime is 973165943. The reversal of 973165931 is 139561379.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 973165931 - 2¹⁸ = 972903787 is a prime.

It is a super-2 number, since 2×973165931² = 1894103858518193522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (973165951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486582965 + 486582966.

It is an arithmetic number, because the mean of its divisors is an integer number (486582966).

Almost surely, 2^973165931 is an apocalyptic number.

973165931 is a deficient number, since it is larger than the sum of its proper divisors (1).

973165931 is an equidigital number, since it uses as much as digits as its factorization.

973165931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153090, while the sum is 44.

The square root of 973165931 is about 31195.6075593985. The cubic root of 973165931 is about 990.9740883572.

The spelling of 973165931 in words is "nine hundred seventy-three million, one hundred sixty-five thousand, nine hundred thirty-one".