972440501 has 12 divisors (see below), whose sum is σ = 1051363404. Its totient is φ = 898776000.

The previous prime is 972440489. The next prime is 972440507. The reversal of 972440501 is 105044279.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 495018001 + 477422500 = 22249^2 + 21850^2 .

It is a de Polignac number, because none of the positive numbers 2^k-972440501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972440507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18050 + ... + 47651.

It is an arithmetic number, because the mean of its divisors is an integer number (87613617).

Almost surely, 2^972440501 is an apocalyptic number.

It is an amenable number.

972440501 is a deficient number, since it is larger than the sum of its proper divisors (78922903).

972440501 is a wasteful number, since it uses less digits than its factorization.

972440501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65780 (or 65761 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 972440501 is about 31183.9782741074. The cubic root of 972440501 is about 990.7277922186.

The spelling of 972440501 in words is "nine hundred seventy-two million, four hundred forty thousand, five hundred one".