252789418 has 16 divisors (see below), whose sum is σ = 433704384. Its totient is φ = 108250560.

The previous prime is 252789413. The next prime is 252789443. The reversal of 252789418 is 814987252.

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 (252789413) 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, 12421 + ... + 25687.

It is an arithmetic number, because the mean of its divisors is an integer number (27106524).

Almost surely, 2^252789418 is an apocalyptic number.

252789418 is a deficient number, since it is larger than the sum of its proper divisors (180914966).

252789418 is a wasteful number, since it uses less digits than its factorization.

252789418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14637.

The product of its digits is 322560, while the sum is 46.

The square root of 252789418 is about 15899.3527541218. The cubic root of 252789418 is about 632.2948288589.

The spelling of 252789418 in words is "two hundred fifty-two million, seven hundred eighty-nine thousand, four hundred eighteen".