255405113 has 4 divisors (see below), whose sum is σ = 261634548. Its totient is φ = 249175680.

The previous prime is 255405107. The next prime is 255405121. The reversal of 255405113 is 311504552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20457529 + 234947584 = 4523^2 + 15328^2 .

It is a cyclic number.

It is not a de Polignac number, because 255405113 - 2¹⁰ = 255404089 is a prime.

It is a super-3 number, since 3×255405113³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255405103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3114656 + ... + 3114737.

It is an arithmetic number, because the mean of its divisors is an integer number (65408637).

Almost surely, 2^255405113 is an apocalyptic number.

It is an amenable number.

255405113 is a deficient number, since it is larger than the sum of its proper divisors (6229435).

255405113 is an equidigital number, since it uses as much as digits as its factorization.

255405113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6229434.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 255405113 is about 15981.3989688012. The cubic root of 255405113 is about 634.4682037759.

Adding to 255405113 its reverse (311504552), we get a palindrome (566909665).

The spelling of 255405113 in words is "two hundred fifty-five million, four hundred five thousand, one hundred thirteen".