52972939 has 2 divisors, whose sum is σ = 52972940. Its totient is φ = 52972938.

The previous prime is 52972921. The next prime is 52972951. The reversal of 52972939 is 93927925.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52972939 - 2¹¹ = 52970891 is a prime.

It is a super-2 number, since 2×52972939² = 5612264532595442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52972999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26486469 + 26486470.

It is an arithmetic number, because the mean of its divisors is an integer number (26486470).

Almost surely, 2^52972939 is an apocalyptic number.

52972939 is a deficient number, since it is larger than the sum of its proper divisors (1).

52972939 is an equidigital number, since it uses as much as digits as its factorization.

52972939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 46.

The square root of 52972939 is about 7278.2510948716. The cubic root of 52972939 is about 375.5646344449.

The spelling of 52972939 in words is "fifty-two million, nine hundred seventy-two thousand, nine hundred thirty-nine".