252296081 has 16 divisors (see below), whose sum is σ = 263831568. Its totient is φ = 241056000.

The previous prime is 252296069. The next prime is 252296089. The reversal of 252296081 is 180692252.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 10182481 + 242113600 = 3191^2 + 15560^2 .

It is a cyclic number.

It is not a de Polignac number, because 252296081 - 2²⁶ = 185187217 is a prime.

It is a super-2 number, since 2×252296081² = 127306624975917122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252296089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676211 + ... + 676583.

It is an arithmetic number, because the mean of its divisors is an integer number (16489473).

Almost surely, 2^252296081 is an apocalyptic number.

It is an amenable number.

252296081 is a deficient number, since it is larger than the sum of its proper divisors (11535487).

252296081 is a wasteful number, since it uses less digits than its factorization.

252296081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 252296081 is about 15883.8308036821. The cubic root of 252296081 is about 631.8832378230.

The spelling of 252296081 in words is "two hundred fifty-two million, two hundred ninety-six thousand, eighty-one".