975982537 has 2 divisors, whose sum is σ = 975982538. Its totient is φ = 975982536.

The previous prime is 975982499. The next prime is 975982561. The reversal of 975982537 is 735289579.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 908479881 + 67502656 = 30141^2 + 8216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-975982537 is a prime.

It is not a weakly prime, because it can be changed into another prime (975982837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487991268 + 487991269.

It is an arithmetic number, because the mean of its divisors is an integer number (487991269).

Almost surely, 2^975982537 is an apocalyptic number.

It is an amenable number.

975982537 is a deficient number, since it is larger than the sum of its proper divisors (1).

975982537 is an equidigital number, since it uses as much as digits as its factorization.

975982537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4762800, while the sum is 55.

The square root of 975982537 is about 31240.7192138721. The cubic root of 975982537 is about 991.9292166938.

The spelling of 975982537 in words is "nine hundred seventy-five million, nine hundred eighty-two thousand, five hundred thirty-seven".