255738285 has 24 divisors (see below), whose sum is σ = 483578784. Its totient is φ = 123994080.

The previous prime is 255738257. The next prime is 255738319. The reversal of 255738285 is 582837552.

It is not a de Polignac number, because 255738285 - 2⁵ = 255738253 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 255738285.

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, 257827 + ... + 258816.

It is an arithmetic number, because the mean of its divisors is an integer number (20149116).

Almost surely, 2^255738285 is an apocalyptic number.

It is an amenable number.

255738285 is a deficient number, since it is larger than the sum of its proper divisors (227840499).

255738285 is a wasteful number, since it uses less digits than its factorization.

255738285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516665 (or 516662 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 255738285 is about 15991.8193148872. The cubic root of 255738285 is about 634.7439685370.

The spelling of 255738285 in words is "two hundred fifty-five million, seven hundred thirty-eight thousand, two hundred eighty-five".