252316990 has 16 divisors (see below), whose sum is σ = 455019840. Its totient is φ = 100738080.

The previous prime is 252316973. The next prime is 252317003. The reversal of 252316990 is 99613252.

252316990 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17910 + ... + 28729.

It is an arithmetic number, because the mean of its divisors is an integer number (28438740).

Almost surely, 2^252316990 is an apocalyptic number.

252316990 is a deficient number, since it is larger than the sum of its proper divisors (202702850).

252316990 is a wasteful number, since it uses less digits than its factorization.

252316990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47187.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 252316990 is about 15884.4889750977. The cubic root of 252316990 is about 631.9006930838.

The spelling of 252316990 in words is "two hundred fifty-two million, three hundred sixteen thousand, nine hundred ninety".