252055187 has 2 divisors, whose sum is σ = 252055188. Its totient is φ = 252055186.

The previous prime is 252055163. The next prime is 252055189. The reversal of 252055187 is 781550252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252055187 - 2¹⁰ = 252054163 is a prime.

Together with 252055189, 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 (252055189) 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, 126027593 + 126027594.

It is an arithmetic number, because the mean of its divisors is an integer number (126027594).

Almost surely, 2^252055187 is an apocalyptic number.

252055187 is a deficient number, since it is larger than the sum of its proper divisors (1).

252055187 is an equidigital number, since it uses as much as digits as its factorization.

252055187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 252055187 is about 15876.2459983461. The cubic root of 252055187 is about 631.6820649897.

The spelling of 252055187 in words is "two hundred fifty-two million, fifty-five thousand, one hundred eighty-seven".