5613515021 has 16 divisors (see below), whose sum is σ = 5953305600. Its totient is φ = 5278291200.

The previous prime is 5613515009. The next prime is 5613515053. The reversal of 5613515021 is 1205153165.

It is a de Polignac number, because none of the positive numbers 2^k-5613515021 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 (5613515071) 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 15 ways as a sum of consecutive naturals, for example, 1889225 + ... + 1892193.

It is an arithmetic number, because the mean of its divisors is an integer number (372081600).

Almost surely, 2^5613515021 is an apocalyptic number.

It is an amenable number.

5613515021 is a deficient number, since it is larger than the sum of its proper divisors (339790579).

5613515021 is a wasteful number, since it uses less digits than its factorization.

5613515021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 5613515021 is about 74923.3943504964. The cubic root of 5613515021 is about 1777.2354321200.

Adding to 5613515021 its reverse (1205153165), we get a palindrome (6818668186).

The spelling of 5613515021 in words is "five billion, six hundred thirteen million, five hundred fifteen thousand, twenty-one".