252680081 has 2 divisors, whose sum is σ = 252680082. Its totient is φ = 252680080.

The previous prime is 252680063. The next prime is 252680111. The reversal of 252680081 is 180086252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249924481 + 2755600 = 15809^2 + 1660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252680081 is a prime.

It is a super-2 number, since 2×252680081² = 127694446668333122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252682081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126340040 + 126340041.

It is an arithmetic number, because the mean of its divisors is an integer number (126340041).

Almost surely, 2^252680081 is an apocalyptic number.

It is an amenable number.

252680081 is a deficient number, since it is larger than the sum of its proper divisors (1).

252680081 is an equidigital number, since it uses as much as digits as its factorization.

252680081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 252680081 is about 15895.9139718357. The cubic root of 252680081 is about 632.2036552253.

The spelling of 252680081 in words is "two hundred fifty-two million, six hundred eighty thousand, eighty-one".