255313899 has 6 divisors (see below), whose sum is σ = 368786756. Its totient is φ = 170209260.

The previous prime is 255313897. The next prime is 255313907. The reversal of 255313899 is 998313552.

255313899 is a `hidden beast` number, since 2 + 553 + 1 + 3 + 8 + 99 = 666.

It is not a de Polignac number, because 255313899 - 2¹ = 255313897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255313897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14184097 + ... + 14184114.

Almost surely, 2^255313899 is an apocalyptic number.

255313899 is a deficient number, since it is larger than the sum of its proper divisors (113472857).

255313899 is a wasteful number, since it uses less digits than its factorization.

255313899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28368217 (or 28368214 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 255313899 is about 15978.5449587877. The cubic root of 255313899 is about 634.3926646023.

The spelling of 255313899 in words is "two hundred fifty-five million, three hundred thirteen thousand, eight hundred ninety-nine".