252646412 has 12 divisors (see below), whose sum is σ = 442264200. Its totient is φ = 126285216.

The previous prime is 252646379. The next prime is 252646423. The reversal of 252646412 is 214646252.

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, 9839 + ... + 24537.

It is an arithmetic number, because the mean of its divisors is an integer number (36855350).

Almost surely, 2^252646412 is an apocalyptic number.

It is an amenable number.

252646412 is a deficient number, since it is larger than the sum of its proper divisors (189617788).

252646412 is a wasteful number, since it uses less digits than its factorization.

252646412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19000 (or 18998 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 252646412 is about 15894.8548908129. The cubic root of 252646412 is about 632.1755741167.

The spelling of 252646412 in words is "two hundred fifty-two million, six hundred forty-six thousand, four hundred twelve".