970253729 has 2 divisors, whose sum is σ = 970253730. Its totient is φ = 970253728.

The previous prime is 970253693. The next prime is 970253743. The reversal of 970253729 is 927352079.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 964226704 + 6027025 = 31052^2 + 2455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-970253729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 970253729.

It is not a weakly prime, because it can be changed into another prime (970253789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485126864 + 485126865.

It is an arithmetic number, because the mean of its divisors is an integer number (485126865).

Almost surely, 2^970253729 is an apocalyptic number.

It is an amenable number.

970253729 is a deficient number, since it is larger than the sum of its proper divisors (1).

970253729 is an equidigital number, since it uses as much as digits as its factorization.

970253729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 970253729 is about 31148.8961120615. The cubic root of 970253729 is about 989.9846030323.

The spelling of 970253729 in words is "nine hundred seventy million, two hundred fifty-three thousand, seven hundred twenty-nine".