252280811 has 8 divisors (see below), whose sum is σ = 256870464. Its totient is φ = 247705920.

The previous prime is 252280807. The next prime is 252280823. The reversal of 252280811 is 118082252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252280811 - 2² = 252280807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252280211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34286 + ... + 40988.

It is an arithmetic number, because the mean of its divisors is an integer number (32108808).

Almost surely, 2^252280811 is an apocalyptic number.

252280811 is a deficient number, since it is larger than the sum of its proper divisors (4589653).

252280811 is an equidigital number, since it uses as much as digits as its factorization.

252280811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7381.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 252280811 is about 15883.3501189138. The cubic root of 252280811 is about 631.8704895054.

The spelling of 252280811 in words is "two hundred fifty-two million, two hundred eighty thousand, eight hundred eleven".