5613615281 has 8 divisors (see below), whose sum is σ = 5797474560. Its totient is φ = 5432440288.

The previous prime is 5613615229. The next prime is 5613615283. The reversal of 5613615281 is 1825163165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5613615281 is a prime.

It is a super-2 number, since 2×5613615281² = 63025353046153417922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5613615283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666821 + ... + 675186.

It is an arithmetic number, because the mean of its divisors is an integer number (724684320).

Almost surely, 2^5613615281 is an apocalyptic number.

It is an amenable number.

5613615281 is a deficient number, since it is larger than the sum of its proper divisors (183859279).

5613615281 is a wasteful number, since it uses less digits than its factorization.

5613615281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342143.

The product of its digits is 43200, while the sum is 38.

The square root of 5613615281 is about 74924.0634309165. The cubic root of 5613615281 is about 1777.2460128086.

It can be divided in two parts, 56136 and 15281, that added together give a palindrome (71417).

The spelling of 5613615281 in words is "five billion, six hundred thirteen million, six hundred fifteen thousand, two hundred eighty-one".