972552761 has 4 divisors (see below), whose sum is σ = 972660624. Its totient is φ = 972444900.

The previous prime is 972552731. The next prime is 972552767. The reversal of 972552761 is 167255279.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 972552761 - 2¹⁴ = 972536377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972552767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39035 + ... + 58896.

It is an arithmetic number, because the mean of its divisors is an integer number (243165156).

Almost surely, 2^972552761 is an apocalyptic number.

It is an amenable number.

972552761 is a deficient number, since it is larger than the sum of its proper divisors (107863).

972552761 is an equidigital number, since it uses as much as digits as its factorization.

972552761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107862.

The product of its digits is 264600, while the sum is 44.

The square root of 972552761 is about 31185.7781849355. The cubic root of 972552761 is about 990.7659144559.

The spelling of 972552761 in words is "nine hundred seventy-two million, five hundred fifty-two thousand, seven hundred sixty-one".