52397507 has 2 divisors, whose sum is σ = 52397508. Its totient is φ = 52397506.

The previous prime is 52397479. The next prime is 52397531. The reversal of 52397507 is 70579325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52397507 - 2²² = 48203203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52397537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26198753 + 26198754.

It is an arithmetic number, because the mean of its divisors is an integer number (26198754).

Almost surely, 2^52397507 is an apocalyptic number.

52397507 is a deficient number, since it is larger than the sum of its proper divisors (1).

52397507 is an equidigital number, since it uses as much as digits as its factorization.

52397507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 52397507 is about 7238.6122288737. The cubic root of 52397507 is about 374.1997917333.

The spelling of 52397507 in words is "fifty-two million, three hundred ninety-seven thousand, five hundred seven".