285253254 has 48 divisors (see below), whose sum is σ = 726105744. Its totient is φ = 79790400.

The previous prime is 285253253. The next prime is 285253301. The reversal of 285253254 is 452352582.

It is a happy number.

285253254 is a `hidden beast` number, since 28 + 52 + 532 + 54 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285253253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52837 + ... + 57984.

It is an arithmetic number, because the mean of its divisors is an integer number (15127203).

Almost surely, 2^285253254 is an apocalyptic number.

285253254 is an abundant number, since it is smaller than the sum of its proper divisors (440852490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285253254 is a wasteful number, since it uses less digits than its factorization.

285253254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110853 (or 110850 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 285253254 is about 16889.4420867002. The cubic root of 285253254 is about 658.2793057338.

The spelling of 285253254 in words is "two hundred eighty-five million, two hundred fifty-three thousand, two hundred fifty-four".