52402117 has 2 divisors, whose sum is σ = 52402118. Its totient is φ = 52402116.

The previous prime is 52402099. The next prime is 52402123. The reversal of 52402117 is 71120425.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48525156 + 3876961 = 6966^2 + 1969^2 .

It is a cyclic number.

It is not a de Polignac number, because 52402117 - 2²³ = 44013509 is a prime.

It is equal to p_3136432 and since 52402117 and 3136432 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52402127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26201058 + 26201059.

It is an arithmetic number, because the mean of its divisors is an integer number (26201059).

Almost surely, 2^52402117 is an apocalyptic number.

It is an amenable number.

52402117 is a deficient number, since it is larger than the sum of its proper divisors (1).

52402117 is an equidigital number, since it uses as much as digits as its factorization.

52402117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 52402117 is about 7238.9306530730. The cubic root of 52402117 is about 374.2107656043.

The spelling of 52402117 in words is "fifty-two million, four hundred two thousand, one hundred seventeen".