613112556 has 96 divisors (see below), whose sum is σ = 1688020992. Its totient is φ = 169574400.

The previous prime is 613112551. The next prime is 613112573. The reversal of 613112556 is 655211316.

613112556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (613112551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382156 + ... + 383756.

It is an arithmetic number, because the mean of its divisors is an integer number (17583552).

Almost surely, 2^613112556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613112556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844010496).

613112556 is an abundant number, since it is smaller than the sum of its proper divisors (1074908436).

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

613112556 is a wasteful number, since it uses less digits than its factorization.

613112556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759 (or 1757 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 613112556 is about 24761.1097489592. The cubic root of 613112556 is about 849.5326408856.

The spelling of 613112556 in words is "six hundred thirteen million, one hundred twelve thousand, five hundred fifty-six".