252775785 has 8 divisors (see below), whose sum is σ = 404441280. Its totient is φ = 134813744.

The previous prime is 252775777. The next prime is 252775799. The reversal of 252775785 is 587577252.

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 252775785 - 2³ = 252775777 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8425845 + ... + 8425874.

It is an arithmetic number, because the mean of its divisors is an integer number (50555160).

Almost surely, 2^252775785 is an apocalyptic number.

It is an amenable number.

252775785 is a deficient number, since it is larger than the sum of its proper divisors (151665495).

252775785 is a wasteful number, since it uses less digits than its factorization.

252775785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16851727.

The product of its digits is 1372000, while the sum is 48.

The square root of 252775785 is about 15898.9240201971. The cubic root of 252775785 is about 632.2834620455.

The spelling of 252775785 in words is "two hundred fifty-two million, seven hundred seventy-five thousand, seven hundred eighty-five".