252784658 has 8 divisors (see below), whose sum is σ = 433345152. Its totient is φ = 108336276.

The previous prime is 252784657. The next prime is 252784663. The reversal of 252784658 is 856487252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (252784657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9028010 + ... + 9028037.

It is an arithmetic number, because the mean of its divisors is an integer number (54168144).

Almost surely, 2^252784658 is an apocalyptic number.

252784658 is a deficient number, since it is larger than the sum of its proper divisors (180560494).

252784658 is a wasteful number, since it uses less digits than its factorization.

252784658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18056056.

The product of its digits is 1075200, while the sum is 47.

The square root of 252784658 is about 15899.2030617890. The cubic root of 252784658 is about 632.2908601507.

The spelling of 252784658 in words is "two hundred fifty-two million, seven hundred eighty-four thousand, six hundred fifty-eight".