255122405 has 16 divisors (see below), whose sum is σ = 332659200. Its totient is φ = 187116480.

The previous prime is 255122353. The next prime is 255122411. The reversal of 255122405 is 504221552.

It is not a de Polignac number, because 255122405 - 2⁶ = 255122341 is a prime.

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, 40370 + ... + 46259.

It is an arithmetic number, because the mean of its divisors is an integer number (20791200).

Almost surely, 2^255122405 is an apocalyptic number.

It is an amenable number.

255122405 is a deficient number, since it is larger than the sum of its proper divisors (77536795).

255122405 is a wasteful number, since it uses less digits than its factorization.

255122405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86684.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 255122405 is about 15972.5516120625. The cubic root of 255122405 is about 634.2340196637.

Adding to 255122405 its reverse (504221552), we get a palindrome (759343957).

The spelling of 255122405 in words is "two hundred fifty-five million, one hundred twenty-two thousand, four hundred five".