972132797 has 2 divisors, whose sum is σ = 972132798. Its totient is φ = 972132796.

The previous prime is 972132787. The next prime is 972132817. The reversal of 972132797 is 797231279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618467161 + 353665636 = 24869^2 + 18806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972132797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972132737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486066398 + 486066399.

It is an arithmetic number, because the mean of its divisors is an integer number (486066399).

Almost surely, 2^972132797 is an apocalyptic number.

It is an amenable number.

972132797 is a deficient number, since it is larger than the sum of its proper divisors (1).

972132797 is an equidigital number, since it uses as much as digits as its factorization.

972132797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 333396, while the sum is 47.

The square root of 972132797 is about 31179.0441963829. The cubic root of 972132797 is about 990.6232843459.

The spelling of 972132797 in words is "nine hundred seventy-two million, one hundred thirty-two thousand, seven hundred ninety-seven".