253860255 has 24 divisors (see below), whose sum is σ = 480027600. Its totient is φ = 123083520.

The previous prime is 253860241. The next prime is 253860317. The reversal of 253860255 is 552068352.

It is a happy number.

253860255 is a `hidden beast` number, since 25 + 386 + 0 + 255 = 666.

It is not a de Polignac number, because 253860255 - 2⁴ = 253860239 is a prime.

It is a congruent number.

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, 255930 + ... + 256919.

It is an arithmetic number, because the mean of its divisors is an integer number (20001150).

Almost surely, 2^253860255 is an apocalyptic number.

253860255 is a deficient number, since it is larger than the sum of its proper divisors (226167345).

253860255 is a wasteful number, since it uses less digits than its factorization.

253860255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512871 (or 512868 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 253860255 is about 15932.9926567484. The cubic root of 253860255 is about 633.1863889622.

The spelling of 253860255 in words is "two hundred fifty-three million, eight hundred sixty thousand, two hundred fifty-five".