3006561613 has 8 divisors (see below), whose sum is σ = 3285191520. Its totient is φ = 2728816080.

The previous prime is 3006561553. The next prime is 3006561671. The reversal of 3006561613 is 3161656003.

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-3006561613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3006561683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213970 + ... + 227587.

It is an arithmetic number, because the mean of its divisors is an integer number (410648940).

Almost surely, 2^3006561613 is an apocalyptic number.

It is an amenable number.

3006561613 is a deficient number, since it is larger than the sum of its proper divisors (278629907).

3006561613 is a wasteful number, since it uses less digits than its factorization.

3006561613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442187.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 3006561613 is about 54832.1220909788. The cubic root of 3006561613 is about 1443.3003027938.

The spelling of 3006561613 in words is "three billion, six million, five hundred sixty-one thousand, six hundred thirteen".