52015297 has 2 divisors, whose sum is σ = 52015298. Its totient is φ = 52015296.

The previous prime is 52015247. The next prime is 52015343. The reversal of 52015297 is 79251025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45171841 + 6843456 = 6721^2 + 2616^2 .

It is a cyclic number.

It is not a de Polignac number, because 52015297 - 2⁷ = 52015169 is a prime.

It is a super-2 number, since 2×52015297² = 5411182243996418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52015247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26007648 + 26007649.

It is an arithmetic number, because the mean of its divisors is an integer number (26007649).

Almost surely, 2^52015297 is an apocalyptic number.

It is an amenable number.

52015297 is a deficient number, since it is larger than the sum of its proper divisors (1).

52015297 is an equidigital number, since it uses as much as digits as its factorization.

52015297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 52015297 is about 7212.1631290480. The cubic root of 52015297 is about 373.2877122364.

The spelling of 52015297 in words is "fifty-two million, fifteen thousand, two hundred ninety-seven".