52185293 has 2 divisors, whose sum is σ = 52185294. Its totient is φ = 52185292.

The previous prime is 52185283. The next prime is 52185299. The reversal of 52185293 is 39258125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41964484 + 10220809 = 6478^2 + 3197^2 .

It is a cyclic number.

It is not a de Polignac number, because 52185293 - 2¹⁸ = 51923149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52185299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26092646 + 26092647.

It is an arithmetic number, because the mean of its divisors is an integer number (26092647).

Almost surely, 2^52185293 is an apocalyptic number.

It is an amenable number.

52185293 is a deficient number, since it is larger than the sum of its proper divisors (1).

52185293 is an equidigital number, since it uses as much as digits as its factorization.

52185293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 35.

The square root of 52185293 is about 7223.9388840161. The cubic root of 52185293 is about 373.6939287181.

The spelling of 52185293 in words is "fifty-two million, one hundred eighty-five thousand, two hundred ninety-three".