613105560 has 48 divisors (see below), whose sum is σ = 1992594240. Its totient is φ = 163494720.

The previous prime is 613105541. The next prime is 613105573. The reversal of 613105560 is 65501316.

It is a happy number.

613105560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 851176 + ... + 851895.

It is an arithmetic number, because the mean of its divisors is an integer number (41512380).

Almost surely, 2^613105560 is an apocalyptic number.

613105560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

613105560 is an abundant number, since it is smaller than the sum of its proper divisors (1379488680).

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

613105560 is a wasteful number, since it uses less digits than its factorization.

613105560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703088 (or 1703081 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 613105560 is about 24760.9684786359. The cubic root of 613105560 is about 849.5294096393.

Adding to 613105560 its reverse (65501316), we get a palindrome (678606876).

The spelling of 613105560 in words is "six hundred thirteen million, one hundred five thousand, five hundred sixty".