252855806 has 16 divisors (see below), whose sum is σ = 437305824. Its totient is φ = 107407104.

The previous prime is 252855787. The next prime is 252855829. The reversal of 252855806 is 608558252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78335 + ... + 81498.

It is an arithmetic number, because the mean of its divisors is an integer number (27331614).

Almost surely, 2^252855806 is an apocalyptic number.

252855806 is a deficient number, since it is larger than the sum of its proper divisors (184450018).

252855806 is a wasteful number, since it uses less digits than its factorization.

252855806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159955.

The product of its (nonzero) digits is 192000, while the sum is 41.

The square root of 252855806 is about 15901.4403750101. The cubic root of 252855806 is about 632.3501754728.

The spelling of 252855806 in words is "two hundred fifty-two million, eight hundred fifty-five thousand, eight hundred six".