972265771 has 2 divisors, whose sum is σ = 972265772. Its totient is φ = 972265770.

The previous prime is 972265727. The next prime is 972265781. The reversal of 972265771 is 177562279.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 972265771 - 2¹¹ = 972263723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (972265711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486132885 + 486132886.

It is an arithmetic number, because the mean of its divisors is an integer number (486132886).

Almost surely, 2^972265771 is an apocalyptic number.

972265771 is a deficient number, since it is larger than the sum of its proper divisors (1).

972265771 is an equidigital number, since it uses as much as digits as its factorization.

972265771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 370440, while the sum is 46.

The square root of 972265771 is about 31181.1765493222. The cubic root of 972265771 is about 990.6684500322.

The spelling of 972265771 in words is "nine hundred seventy-two million, two hundred sixty-five thousand, seven hundred seventy-one".