613653255 has 24 divisors (see below), whose sum is σ = 1065999168. Its totient is φ = 326563776.

The previous prime is 613653247. The next prime is 613653269. The reversal of 613653255 is 552356316.

613653255 is a `hidden beast` number, since 613 + 6 + 5 + 32 + 5 + 5 = 666.

It is not a de Polignac number, because 613653255 - 2³ = 613653247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6109 + ... + 35561.

It is an arithmetic number, because the mean of its divisors is an integer number (44416632).

Almost surely, 2^613653255 is an apocalyptic number.

613653255 is a deficient number, since it is larger than the sum of its proper divisors (452345913).

613653255 is a wasteful number, since it uses less digits than its factorization.

613653255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29927 (or 29924 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 613653255 is about 24772.0256539509. The cubic root of 613653255 is about 849.7822994957.

It can be divided in two parts, 61365 and 3255, that added together give a triangular number (64620 = T₃₅₉).

The spelling of 613653255 in words is "six hundred thirteen million, six hundred fifty-three thousand, two hundred fifty-five".