252441187 has 2 divisors, whose sum is σ = 252441188. Its totient is φ = 252441186.

The previous prime is 252441181. The next prime is 252441221. The reversal of 252441187 is 781144252.

It is an a-pointer prime, because the next prime (252441221) can be obtained adding 252441187 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252441187 - 2³ = 252441179 is a prime.

It is not a weakly prime, because it can be changed into another prime (252441181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126220593 + 126220594.

It is an arithmetic number, because the mean of its divisors is an integer number (126220594).

Almost surely, 2^252441187 is an apocalyptic number.

252441187 is a deficient number, since it is larger than the sum of its proper divisors (1).

252441187 is an equidigital number, since it uses as much as digits as its factorization.

252441187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17920, while the sum is 34.

The square root of 252441187 is about 15888.3978739205. The cubic root of 252441187 is about 632.0043554085.

The spelling of 252441187 in words is "two hundred fifty-two million, four hundred forty-one thousand, one hundred eighty-seven".