252526871 has 2 divisors, whose sum is σ = 252526872. Its totient is φ = 252526870.

The previous prime is 252526861. The next prime is 252526921. The reversal of 252526871 is 178625252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252526871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252526861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126263435 + 126263436.

It is an arithmetic number, because the mean of its divisors is an integer number (126263436).

Almost surely, 2^252526871 is an apocalyptic number.

252526871 is a deficient number, since it is larger than the sum of its proper divisors (1).

252526871 is an equidigital number, since it uses as much as digits as its factorization.

252526871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 38.

The square root of 252526871 is about 15891.0940781307. The cubic root of 252526871 is about 632.0758526367.

It can be divided in two parts, 25252 and 6871, that added together give a palindrome (32123).

The spelling of 252526871 in words is "two hundred fifty-two million, five hundred twenty-six thousand, eight hundred seventy-one".