255782113 has 4 divisors (see below), whose sum is σ = 258419140. Its totient is φ = 253145088.

The previous prime is 255782099. The next prime is 255782129. The reversal of 255782113 is 311287552.

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 101848464 + 153933649 = 10092^2 + 12407^2 .

It is a cyclic number.

It is not a de Polignac number, because 255782113 - 2¹⁷ = 255651041 is a prime.

It is a super-4 number, since 4×255782113⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255782143) 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, 1318368 + ... + 1318561.

It is an arithmetic number, because the mean of its divisors is an integer number (64604785).

Almost surely, 2^255782113 is an apocalyptic number.

It is an amenable number.

255782113 is a deficient number, since it is larger than the sum of its proper divisors (2637027).

255782113 is an equidigital number, since it uses as much as digits as its factorization.

255782113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637026.

The product of its digits is 16800, while the sum is 34.

The square root of 255782113 is about 15993.1895818189. The cubic root of 255782113 is about 634.7802269194.

The spelling of 255782113 in words is "two hundred fifty-five million, seven hundred eighty-two thousand, one hundred thirteen".