252818946 has 12 divisors (see below), whose sum is σ = 547774422. Its totient is φ = 84272976.

The previous prime is 252818941. The next prime is 252818947. The reversal of 252818946 is 649818252.

252818946 is a `hidden beast` number, since 2 + 528 + 1 + 89 + 46 = 666.

It can be written as a sum of positive squares in only one way, i.e., 206238321 + 46580625 = 14361^2 + 6825^2 .

It is not an unprimeable number, because it can be changed into a prime (252818941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7022731 + ... + 7022766.

Almost surely, 2^252818946 is an apocalyptic number.

252818946 is an abundant number, since it is smaller than the sum of its proper divisors (294955476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252818946 is a wasteful number, since it uses less digits than its factorization.

252818946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14045505 (or 14045502 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 252818946 is about 15900.2813182660. The cubic root of 252818946 is about 632.3194470766.

The spelling of 252818946 in words is "two hundred fifty-two million, eight hundred eighteen thousand, nine hundred forty-six".