252581035 has 24 divisors (see below), whose sum is σ = 356859216. Its totient is φ = 171097920.

The previous prime is 252581027. The next prime is 252581059. The reversal of 252581035 is 530185252.

252581035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252581035 - 2³ = 252581027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252580988 and 252581006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14125 + ... + 26545.

It is an arithmetic number, because the mean of its divisors is an integer number (14869134).

Almost surely, 2^252581035 is an apocalyptic number.

252581035 is a deficient number, since it is larger than the sum of its proper divisors (104278181).

252581035 is a wasteful number, since it uses less digits than its factorization.

252581035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12523 (or 12516 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 252581035 is about 15892.7982117688. The cubic root of 252581035 is about 632.1210403150.

The spelling of 252581035 in words is "two hundred fifty-two million, five hundred eighty-one thousand, thirty-five".