970718561 has 2 divisors, whose sum is σ = 970718562. Its totient is φ = 970718560.

The previous prime is 970718557. The next prime is 970718599. The reversal of 970718561 is 165817079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 750760000 + 219958561 = 27400^2 + 14831^2 .

It is a cyclic number.

It is not a de Polignac number, because 970718561 - 2² = 970718557 is a prime.

It is not a weakly prime, because it can be changed into another prime (970718521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485359280 + 485359281.

It is an arithmetic number, because the mean of its divisors is an integer number (485359281).

Almost surely, 2^970718561 is an apocalyptic number.

It is an amenable number.

970718561 is a deficient number, since it is larger than the sum of its proper divisors (1).

970718561 is an equidigital number, since it uses as much as digits as its factorization.

970718561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 44.

The square root of 970718561 is about 31156.3566708304. The cubic root of 970718561 is about 990.1426727005.

The spelling of 970718561 in words is "nine hundred seventy million, seven hundred eighteen thousand, five hundred sixty-one".