970736531 has 2 divisors, whose sum is σ = 970736532. Its totient is φ = 970736530.

The previous prime is 970736519. The next prime is 970736549. The reversal of 970736531 is 135637079.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-970736531 is a prime.

It is a super-2 number, since 2×970736531² = 1884658825235827922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (970736831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485368265 + 485368266.

It is an arithmetic number, because the mean of its divisors is an integer number (485368266).

Almost surely, 2^970736531 is an apocalyptic number.

970736531 is a deficient number, since it is larger than the sum of its proper divisors (1).

970736531 is an equidigital number, since it uses as much as digits as its factorization.

970736531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119070, while the sum is 41.

The square root of 970736531 is about 31156.6450536639. The cubic root of 970736531 is about 990.1487825229.

The spelling of 970736531 in words is "nine hundred seventy million, seven hundred thirty-six thousand, five hundred thirty-one".