252006571 has 2 divisors, whose sum is σ = 252006572. Its totient is φ = 252006570.

The previous prime is 252006551. The next prime is 252006613. The reversal of 252006571 is 175600252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252006571 - 2⁵ = 252006539 is a prime.

It is not a weakly prime, because it can be changed into another prime (252006511) 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, 126003285 + 126003286.

It is an arithmetic number, because the mean of its divisors is an integer number (126003286).

Almost surely, 2^252006571 is an apocalyptic number.

252006571 is a deficient number, since it is larger than the sum of its proper divisors (1).

252006571 is an equidigital number, since it uses as much as digits as its factorization.

252006571 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 28.

The square root of 252006571 is about 15874.7148320844. The cubic root of 252006571 is about 631.6414497707.

The spelling of 252006571 in words is "two hundred fifty-two million, six thousand, five hundred seventy-one".