252056171 has 2 divisors, whose sum is σ = 252056172. Its totient is φ = 252056170.

The previous prime is 252056113. The next prime is 252056179. The reversal of 252056171 is 171650252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252056171 - 2¹⁴ = 252039787 is a prime.

It is not a weakly prime, because it can be changed into another prime (252056179) 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, 126028085 + 126028086.

It is an arithmetic number, because the mean of its divisors is an integer number (126028086).

Almost surely, 2^252056171 is an apocalyptic number.

252056171 is a deficient number, since it is larger than the sum of its proper divisors (1).

252056171 is an equidigital number, since it uses as much as digits as its factorization.

252056171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 252056171 is about 15876.2769880095. The cubic root of 252056171 is about 631.6828869980.

The spelling of 252056171 in words is "two hundred fifty-two million, fifty-six thousand, one hundred seventy-one".