970997 has 2 divisors, whose sum is σ = 970998. Its totient is φ = 970996.

The previous prime is 970987. The next prime is 970999. The reversal of 970997 is 799079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 579121 + 391876 = 761^2 + 626^2 .

It is a cyclic number.

It is not a de Polignac number, because 970997 - 2¹⁶ = 905461 is a prime.

Together with 970999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (970999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485498 + 485499.

It is an arithmetic number, because the mean of its divisors is an integer number (485499).

2⁹⁷⁰⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

970997 is a deficient number, since it is larger than the sum of its proper divisors (1).

970997 is an equidigital number, since it uses as much as digits as its factorization.

970997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35721, while the sum is 41.

The square root of 970997 is about 985.3918002500. The cubic root of 970997 is about 99.0237333842.

The spelling of 970997 in words is "nine hundred seventy thousand, nine hundred ninety-seven".