252839887 has 2 divisors, whose sum is σ = 252839888. Its totient is φ = 252839886.

The previous prime is 252839857. The next prime is 252839891. The reversal of 252839887 is 788938252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252839887 - 2²⁷ = 118622159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252839857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126419943 + 126419944.

It is an arithmetic number, because the mean of its divisors is an integer number (126419944).

Almost surely, 2^252839887 is an apocalyptic number.

252839887 is a deficient number, since it is larger than the sum of its proper divisors (1).

252839887 is an equidigital number, since it uses as much as digits as its factorization.

252839887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The square root of 252839887 is about 15900.9398149921. The cubic root of 252839887 is about 632.3369049401.

The spelling of 252839887 in words is "two hundred fifty-two million, eight hundred thirty-nine thousand, eight hundred eighty-seven".