972467539 has 2 divisors, whose sum is σ = 972467540. Its totient is φ = 972467538.

The previous prime is 972467533. The next prime is 972467579. The reversal of 972467539 is 935764279.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 972467539 - 2¹⁷ = 972336467 is a prime.

It is a super-2 number, since 2×972467539² = 1891386228817433042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (972467533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486233769 + 486233770.

It is an arithmetic number, because the mean of its divisors is an integer number (486233770).

Almost surely, 2^972467539 is an apocalyptic number.

972467539 is a deficient number, since it is larger than the sum of its proper divisors (1).

972467539 is an equidigital number, since it uses as much as digits as its factorization.

972467539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 52.

The square root of 972467539 is about 31184.4117949978. The cubic root of 972467539 is about 990.7369742885.

The spelling of 972467539 in words is "nine hundred seventy-two million, four hundred sixty-seven thousand, five hundred thirty-nine".