613753056 has 144 divisors (see below), whose sum is σ = 2007742464. Its totient is φ = 174212352.

The previous prime is 613753043. The next prime is 613753079. The reversal of 613753056 is 650357316.

It is a happy number.

613753056 is a `hidden beast` number, since 613 + 7 + 5 + 30 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 613753056.

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, 335761 + ... + 337583.

It is an arithmetic number, because the mean of its divisors is an integer number (13942656).

Almost surely, 2^613753056 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 613753056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003871232).

613753056 is an abundant number, since it is smaller than the sum of its proper divisors (1393989408).

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

613753056 is a wasteful number, since it uses less digits than its factorization.

613753056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 613753056 is about 24774.0399612175. The cubic root of 613753056 is about 849.8283648838.

The spelling of 613753056 in words is "six hundred thirteen million, seven hundred fifty-three thousand, fifty-six".