6113520 has 120 divisors (see below), whose sum is σ = 23483616. Its totient is φ = 1396224.

The previous prime is 6113509. The next prime is 6113539. The reversal of 6113520 is 253116.

6113520 is a `hidden beast` number, since 611 + 3 + 52 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 6113493 and 6113502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4434 + ... + 5646.

Almost surely, 2^6113520 is an apocalyptic number.

6113520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6113520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11741808).

6113520 is an abundant number, since it is smaller than the sum of its proper divisors (17370096).

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

6113520 is a wasteful number, since it uses less digits than its factorization.

6113520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 6113520 is about 2472.5533361285. The cubic root of 6113520 is about 182.8509042700.

Adding to 6113520 its reverse (253116), we get a palindrome (6366636).

It can be divided in two parts, 6 and 113520, that added together give a triangular number (113526 = T₄₇₆).

The spelling of 6113520 in words is "six million, one hundred thirteen thousand, five hundred twenty".