252785476 has 24 divisors (see below), whose sum is σ = 455706944. Its totient is φ = 122623200.

The previous prime is 252785473. The next prime is 252785483. The reversal of 252785476 is 674587252.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (252785471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21106 + ... + 30838.

Almost surely, 2^252785476 is an apocalyptic number.

It is an amenable number.

252785476 is a deficient number, since it is larger than the sum of its proper divisors (202921468).

252785476 is a wasteful number, since it uses less digits than its factorization.

252785476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9931 (or 9929 counting only the distinct ones).

The product of its digits is 940800, while the sum is 46.

The square root of 252785476 is about 15899.2287863280. The cubic root of 252785476 is about 632.2915421717.

The spelling of 252785476 in words is "two hundred fifty-two million, seven hundred eighty-five thousand, four hundred seventy-six".