252475187 has 2 divisors, whose sum is σ = 252475188. Its totient is φ = 252475186.

The previous prime is 252475183. The next prime is 252475193. The reversal of 252475187 is 781574252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252475187 - 2² = 252475183 is a prime.

It is not a weakly prime, because it can be changed into another prime (252475183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126237593 + 126237594.

It is an arithmetic number, because the mean of its divisors is an integer number (126237594).

Almost surely, 2^252475187 is an apocalyptic number.

252475187 is a deficient number, since it is larger than the sum of its proper divisors (1).

252475187 is an equidigital number, since it uses as much as digits as its factorization.

252475187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156800, while the sum is 41.

The square root of 252475187 is about 15889.4678010310. The cubic root of 252475187 is about 632.0327279358.

The spelling of 252475187 in words is "two hundred fifty-two million, four hundred seventy-five thousand, one hundred eighty-seven".