252630289 has 16 divisors (see below), whose sum is σ = 273169600. Its totient is φ = 232860096.

The previous prime is 252630211. The next prime is 252630307. The reversal of 252630289 is 982036252.

252630289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 252630289 - 2⁹ = 252629777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252633289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304327 + ... + 305155.

It is an arithmetic number, because the mean of its divisors is an integer number (17073100).

Almost surely, 2^252630289 is an apocalyptic number.

It is an amenable number.

252630289 is a deficient number, since it is larger than the sum of its proper divisors (20539311).

252630289 is a wasteful number, since it uses less digits than its factorization.

252630289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 252630289 is about 15894.3477060243. The cubic root of 252630289 is about 632.1621260946.

The spelling of 252630289 in words is "two hundred fifty-two million, six hundred thirty thousand, two hundred eighty-nine".