5125620613 has 16 divisors (see below), whose sum is σ = 5244414336. Its totient is φ = 5008366080.

The previous prime is 5125620601. The next prime is 5125620623. The reversal of 5125620613 is 3160265215.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5125620613 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 (5125620623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5278218 + ... + 5279188.

It is an arithmetic number, because the mean of its divisors is an integer number (327775896).

Almost surely, 2^5125620613 is an apocalyptic number.

It is an amenable number.

5125620613 is a deficient number, since it is larger than the sum of its proper divisors (118793723).

5125620613 is a wasteful number, since it uses less digits than its factorization.

5125620613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 5125620613 is about 71593.4397343779. The cubic root of 5125620613 is about 1724.1782111530.

Adding to 5125620613 its reverse (3160265215), we get a palindrome (8285885828).

The spelling of 5125620613 in words is "five billion, one hundred twenty-five million, six hundred twenty thousand, six hundred thirteen".