52513297 has 2 divisors, whose sum is σ = 52513298. Its totient is φ = 52513296.

The previous prime is 52513291. The next prime is 52513309. The reversal of 52513297 is 79231525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51710481 + 802816 = 7191^2 + 896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52513297 is a prime.

It is not a weakly prime, because it can be changed into another prime (52513291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26256648 + 26256649.

It is an arithmetic number, because the mean of its divisors is an integer number (26256649).

Almost surely, 2^52513297 is an apocalyptic number.

It is an amenable number.

52513297 is a deficient number, since it is larger than the sum of its proper divisors (1).

52513297 is an equidigital number, since it uses as much as digits as its factorization.

52513297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 34.

The square root of 52513297 is about 7246.6058951760. The cubic root of 52513297 is about 374.4752292436.

The spelling of 52513297 in words is "fifty-two million, five hundred thirteen thousand, two hundred ninety-seven".