253866285 has 32 divisors (see below), whose sum is σ = 465884160. Its totient is φ = 131025600.

The previous prime is 253866247. The next prime is 253866293. The reversal of 253866285 is 582668352.

253866285 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 253866285 - 2¹⁷ = 253735213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 253866285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26146 + ... + 34515.

It is an arithmetic number, because the mean of its divisors is an integer number (14558880).

Almost surely, 2^253866285 is an apocalyptic number.

It is an amenable number.

253866285 is a deficient number, since it is larger than the sum of its proper divisors (212017875).

253866285 is a wasteful number, since it uses less digits than its factorization.

253866285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60706 (or 60700 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 253866285 is about 15933.1818856122. The cubic root of 253866285 is about 633.1914023290.

The spelling of 253866285 in words is "two hundred fifty-three million, eight hundred sixty-six thousand, two hundred eighty-five".