252805808 has 10 divisors (see below), whose sum is σ = 489811284. Its totient is φ = 126402896.

The previous prime is 252805783. The next prime is 252805829. The reversal of 252805808 is 808508252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7900166 + ... + 7900197.

Almost surely, 2^252805808 is an apocalyptic number.

It is an amenable number.

252805808 is a deficient number, since it is larger than the sum of its proper divisors (237005476).

252805808 is a wasteful number, since it uses less digits than its factorization.

252805808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15800371 (or 15800365 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 252805808 is about 15899.8681755542. The cubic root of 252805808 is about 632.3084938405.

The spelling of 252805808 in words is "two hundred fifty-two million, eight hundred five thousand, eight hundred eight".