974716537 has 2 divisors, whose sum is σ = 974716538. Its totient is φ = 974716536.

The previous prime is 974716531. The next prime is 974716543. The reversal of 974716537 is 735617479.

It is a balanced prime because it is at equal distance from previous prime (974716531) and next prime (974716543).

It can be written as a sum of positive squares in only one way, i.e., 812307001 + 162409536 = 28501^2 + 12744^2 .

It is an emirp because it is prime and its reverse (735617479) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-974716537 is a prime.

It is not a weakly prime, because it can be changed into another prime (974716531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487358268 + 487358269.

It is an arithmetic number, because the mean of its divisors is an integer number (487358269).

Almost surely, 2^974716537 is an apocalyptic number.

It is an amenable number.

974716537 is a deficient number, since it is larger than the sum of its proper divisors (1).

974716537 is an equidigital number, since it uses as much as digits as its factorization.

974716537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1111320, while the sum is 49.

The square root of 974716537 is about 31220.4506213475. The cubic root of 974716537 is about 991.5001360107.

The spelling of 974716537 in words is "nine hundred seventy-four million, seven hundred sixteen thousand, five hundred thirty-seven".