972520337 has 2 divisors, whose sum is σ = 972520338. Its totient is φ = 972520336.

The previous prime is 972520327. The next prime is 972520357. The reversal of 972520337 is 733025279.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 932019841 + 40500496 = 30529^2 + 6364^2 .

It is a cyclic number.

It is not a de Polignac number, because 972520337 - 2¹⁸ = 972258193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 972520337.

It is not a weakly prime, because it can be changed into another prime (972520327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486260168 + 486260169.

It is an arithmetic number, because the mean of its divisors is an integer number (486260169).

Almost surely, 2^972520337 is an apocalyptic number.

It is an amenable number.

972520337 is a deficient number, since it is larger than the sum of its proper divisors (1).

972520337 is an equidigital number, since it uses as much as digits as its factorization.

972520337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 972520337 is about 31185.2583282550. The cubic root of 972520337 is about 990.7549039303.

The spelling of 972520337 in words is "nine hundred seventy-two million, five hundred twenty thousand, three hundred thirty-seven".