52615307 has 2 divisors, whose sum is σ = 52615308. Its totient is φ = 52615306.

The previous prime is 52615279. The next prime is 52615333. The reversal of 52615307 is 70351625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52615307 - 2²⁰ = 51566731 is a prime.

It is equal to p_3148409 and since 52615307 and 3148409 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52615307.

It is not a weakly prime, because it can be changed into another prime (52615337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26307653 + 26307654.

It is an arithmetic number, because the mean of its divisors is an integer number (26307654).

Almost surely, 2^52615307 is an apocalyptic number.

52615307 is a deficient number, since it is larger than the sum of its proper divisors (1).

52615307 is an equidigital number, since it uses as much as digits as its factorization.

52615307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 52615307 is about 7253.6409478275. The cubic root of 52615307 is about 374.7175520559.

The spelling of 52615307 in words is "fifty-two million, six hundred fifteen thousand, three hundred seven".