253285285 has 16 divisors (see below), whose sum is σ = 332122752. Its totient is φ = 183902400.

The previous prime is 253285273. The next prime is 253285327. The reversal of 253285285 is 582582352.

It is not a de Polignac number, because 253285285 - 2¹⁹ = 252760997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32872 + ... + 39838.

It is an arithmetic number, because the mean of its divisors is an integer number (20757672).

Almost surely, 2^253285285 is an apocalyptic number.

It is an amenable number.

253285285 is a deficient number, since it is larger than the sum of its proper divisors (78837467).

253285285 is a wasteful number, since it uses less digits than its factorization.

253285285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7644.

The product of its digits is 192000, while the sum is 40.

The square root of 253285285 is about 15914.9390510928. The cubic root of 253285285 is about 632.7079914007.

The spelling of 253285285 in words is "two hundred fifty-three million, two hundred eighty-five thousand, two hundred eighty-five".