252051187 has 2 divisors, whose sum is σ = 252051188. Its totient is φ = 252051186.

The previous prime is 252051113. The next prime is 252051193. The reversal of 252051187 is 781150252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252051187 is a prime.

It is not a weakly prime, because it can be changed into another prime (252055187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126025593 + 126025594.

It is an arithmetic number, because the mean of its divisors is an integer number (126025594).

Almost surely, 2^252051187 is an apocalyptic number.

252051187 is a deficient number, since it is larger than the sum of its proper divisors (1).

252051187 is an equidigital number, since it uses as much as digits as its factorization.

252051187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 252051187 is about 15876.1200234818. The cubic root of 252051187 is about 631.6787234707.

The spelling of 252051187 in words is "two hundred fifty-two million, fifty-one thousand, one hundred eighty-seven".