252831587 has 2 divisors, whose sum is σ = 252831588. Its totient is φ = 252831586.

The previous prime is 252831581. The next prime is 252831589. The reversal of 252831587 is 785138252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252831587 - 2⁸ = 252831331 is a prime.

It is a super-3 number, since 3×252831587³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 252831589, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252831581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126415793 + 126415794.

It is an arithmetic number, because the mean of its divisors is an integer number (126415794).

Almost surely, 2^252831587 is an apocalyptic number.

252831587 is a deficient number, since it is larger than the sum of its proper divisors (1).

252831587 is an equidigital number, since it uses as much as digits as its factorization.

252831587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 41.

The square root of 252831587 is about 15900.6788219874. The cubic root of 252831587 is about 632.3299856023.

The spelling of 252831587 in words is "two hundred fifty-two million, eight hundred thirty-one thousand, five hundred eighty-seven".