255513699 has 12 divisors (see below), whose sum is σ = 421800496. Its totient is φ = 146007792.

The previous prime is 255513683. The next prime is 255513701. The reversal of 255513699 is 996315552.

255513699 is a `hidden beast` number, since 2 + 5 + 551 + 3 + 6 + 99 = 666.

It is not a de Polignac number, because 255513699 - 2⁴ = 255513683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255513649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2027824 + ... + 2027949.

Almost surely, 2^255513699 is an apocalyptic number.

255513699 is a deficient number, since it is larger than the sum of its proper divisors (166286797).

255513699 is a wasteful number, since it uses less digits than its factorization.

255513699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055786 (or 4055783 counting only the distinct ones).

The product of its digits is 364500, while the sum is 45.

The square root of 255513699 is about 15984.7958698258. The cubic root of 255513699 is about 634.5581061828.

The spelling of 255513699 in words is "two hundred fifty-five million, five hundred thirteen thousand, six hundred ninety-nine".