52665413 has 2 divisors, whose sum is σ = 52665414. Its totient is φ = 52665412.

The previous prime is 52665407. The next prime is 52665419. The reversal of 52665413 is 31456625.

It is a balanced prime because it is at equal distance from previous prime (52665407) and next prime (52665419).

It can be written as a sum of positive squares in only one way, i.e., 50225569 + 2439844 = 7087^2 + 1562^2 .

It is a cyclic number.

It is not a de Polignac number, because 52665413 - 2⁸ = 52665157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52665413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52665419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26332706 + 26332707.

It is an arithmetic number, because the mean of its divisors is an integer number (26332707).

Almost surely, 2^52665413 is an apocalyptic number.

It is an amenable number.

52665413 is a deficient number, since it is larger than the sum of its proper divisors (1).

52665413 is an equidigital number, since it uses as much as digits as its factorization.

52665413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 52665413 is about 7257.0939776194. The cubic root of 52665413 is about 374.8364632108.

The spelling of 52665413 in words is "fifty-two million, six hundred sixty-five thousand, four hundred thirteen".