252695081 has 2 divisors, whose sum is σ = 252695082. Its totient is φ = 252695080.

The previous prime is 252695071. The next prime is 252695099. The reversal of 252695081 is 180596252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246490000 + 6205081 = 15700^2 + 2491^2 .

It is a cyclic number.

It is not a de Polignac number, because 252695081 - 2⁶ = 252695017 is a prime.

It is a super-2 number, since 2×252695081² = 127709607923193122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252695011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126347540 + 126347541.

It is an arithmetic number, because the mean of its divisors is an integer number (126347541).

Almost surely, 2^252695081 is an apocalyptic number.

It is an amenable number.

252695081 is a deficient number, since it is larger than the sum of its proper divisors (1).

252695081 is an equidigital number, since it uses as much as digits as its factorization.

252695081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 252695081 is about 15896.3857841964. The cubic root of 252695081 is about 632.2161649400.

The spelling of 252695081 in words is "two hundred fifty-two million, six hundred ninety-five thousand, eighty-one".