252802271 has 2 divisors, whose sum is σ = 252802272. Its totient is φ = 252802270.

The previous prime is 252802261. The next prime is 252802279. The reversal of 252802271 is 172208252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252802271 - 2²² = 248607967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252802279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126401135 + 126401136.

It is an arithmetic number, because the mean of its divisors is an integer number (126401136).

Almost surely, 2^252802271 is an apocalyptic number.

252802271 is a deficient number, since it is larger than the sum of its proper divisors (1).

252802271 is an equidigital number, since it uses as much as digits as its factorization.

252802271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 252802271 is about 15899.7569478279. The cubic root of 252802271 is about 632.3055449558.

The spelling of 252802271 in words is "two hundred fifty-two million, eight hundred two thousand, two hundred seventy-one".