252256216 has 16 divisors (see below), whose sum is σ = 473241600. Its totient is φ = 126058464.

The previous prime is 252256159. The next prime is 252256219. The reversal of 252256216 is 612652252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252256219) 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, 8745 + ... + 24103.

It is an arithmetic number, because the mean of its divisors is an integer number (29577600).

Almost surely, 2^252256216 is an apocalyptic number.

It is an amenable number.

252256216 is a deficient number, since it is larger than the sum of its proper divisors (220985384).

252256216 is a wasteful number, since it uses less digits than its factorization.

252256216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17418 (or 17414 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 252256216 is about 15882.5758616164. The cubic root of 252256216 is about 631.8499550334.

The spelling of 252256216 in words is "two hundred fifty-two million, two hundred fifty-six thousand, two hundred sixteen".