970657 has 2 divisors, whose sum is σ = 970658. Its totient is φ = 970656.

The previous prime is 970643. The next prime is 970667. The reversal of 970657 is 756079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 968256 + 2401 = 984^2 + 49^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-970657 is a prime.

It is not a weakly prime, because it can be changed into another prime (970667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485328 + 485329.

It is an arithmetic number, because the mean of its divisors is an integer number (485329).

2⁹⁷⁰⁶⁵⁷ is an apocalyptic number.

It is an amenable number.

970657 is a deficient number, since it is larger than the sum of its proper divisors (1).

970657 is an equidigital number, since it uses as much as digits as its factorization.

970657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 970657 is about 985.2192649355. The cubic root of 970657 is about 99.0121741312.

The spelling of 970657 in words is "nine hundred seventy thousand, six hundred fifty-seven".