52662613 has 2 divisors, whose sum is σ = 52662614. Its totient is φ = 52662612.

The previous prime is 52662611. The next prime is 52662619. The reversal of 52662613 is 31626625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50594769 + 2067844 = 7113^2 + 1438^2 .

It is a cyclic number.

It is not a de Polignac number, because 52662613 - 2¹ = 52662611 is a prime.

Together with 52662611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52662611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26331306 + 26331307.

It is an arithmetic number, because the mean of its divisors is an integer number (26331307).

Almost surely, 2^52662613 is an apocalyptic number.

It is an amenable number.

52662613 is a deficient number, since it is larger than the sum of its proper divisors (1).

52662613 is an equidigital number, since it uses as much as digits as its factorization.

52662613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 52662613 is about 7256.9010603701. The cubic root of 52662613 is about 374.8298202635.

The spelling of 52662613 in words is "fifty-two million, six hundred sixty-two thousand, six hundred thirteen".