252285871 has 2 divisors, whose sum is σ = 252285872. Its totient is φ = 252285870.

The previous prime is 252285863. The next prime is 252285889. The reversal of 252285871 is 178582252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252285871 - 2³ = 252285863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252285811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126142935 + 126142936.

It is an arithmetic number, because the mean of its divisors is an integer number (126142936).

Almost surely, 2^252285871 is an apocalyptic number.

252285871 is a deficient number, since it is larger than the sum of its proper divisors (1).

252285871 is an equidigital number, since it uses as much as digits as its factorization.

252285871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 89600, while the sum is 40.

The square root of 252285871 is about 15883.5094044106. The cubic root of 252285871 is about 631.8747139558.

The spelling of 252285871 in words is "two hundred fifty-two million, two hundred eighty-five thousand, eight hundred seventy-one".