252499386 has 8 divisors (see below), whose sum is σ = 504998784. Its totient is φ = 84166460.

The previous prime is 252499339. The next prime is 252499393. The reversal of 252499386 is 683994252.

It is a happy number.

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

252499386 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21041610 + ... + 21041621.

It is an arithmetic number, because the mean of its divisors is an integer number (63124848).

Almost surely, 2^252499386 is an apocalyptic number.

252499386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

252499386 is a wasteful number, since it uses less digits than its factorization.

252499386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42083236.

The product of its digits is 933120, while the sum is 48.

The square root of 252499386 is about 15890.2292620339. The cubic root of 252499386 is about 632.0529201133.

The spelling of 252499386 in words is "two hundred fifty-two million, four hundred ninety-nine thousand, three hundred eighty-six".