613228056 has 32 divisors (see below), whose sum is σ = 1752080640. Its totient is φ = 175207968.

The previous prime is 613228051. The next prime is 613228069. The reversal of 613228056 is 650822316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613228051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1824916 + ... + 1825251.

It is an arithmetic number, because the mean of its divisors is an integer number (54752520).

Almost surely, 2^613228056 is an apocalyptic number.

It is an amenable number.

613228056 is an abundant number, since it is smaller than the sum of its proper divisors (1138852584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613228056 is a wasteful number, since it uses less digits than its factorization.

613228056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650183 (or 3650179 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 613228056 is about 24763.4419255482. The cubic root of 613228056 is about 849.5859833800.

It can be divided in two parts, 61322 and 8056, that added together give a triangular number (69378 = T₃₇₂).

The spelling of 613228056 in words is "six hundred thirteen million, two hundred twenty-eight thousand, fifty-six".