252802805 has 16 divisors (see below), whose sum is σ = 311122944. Its totient is φ = 197090880.

The previous prime is 252802783. The next prime is 252802817. The reversal of 252802805 is 508208252.

It is a happy number.

It is not a de Polignac number, because 252802805 - 2⁸ = 252802549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 118700 + ... + 120810.

It is an arithmetic number, because the mean of its divisors is an integer number (19445184).

Almost surely, 2^252802805 is an apocalyptic number.

It is an amenable number.

252802805 is a deficient number, since it is larger than the sum of its proper divisors (58320139).

252802805 is a wasteful number, since it uses less digits than its factorization.

252802805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 252802805 is about 15899.7737405285. The cubic root of 252802805 is about 632.3059901666.

The spelling of 252802805 in words is "two hundred fifty-two million, eight hundred two thousand, eight hundred five".