5125040013 has 4 divisors (see below), whose sum is σ = 6833386688. Its totient is φ = 3416693340.

The previous prime is 5125039973. The next prime is 5125040023. The reversal of 5125040013 is 3100405215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5125040013 - 2⁸ = 5125039757 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 (5125040023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854173333 + ... + 854173338.

It is an arithmetic number, because the mean of its divisors is an integer number (1708346672).

Almost surely, 2^5125040013 is an apocalyptic number.

It is an amenable number.

5125040013 is a deficient number, since it is larger than the sum of its proper divisors (1708346675).

5125040013 is a wasteful number, since it uses less digits than its factorization.

5125040013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708346674.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 5125040013 is about 71589.3847787505. The cubic root of 5125040013 is about 1724.1131071233.

Adding to 5125040013 its reverse (3100405215), we get a palindrome (8225445228).

The spelling of 5125040013 in words is "five billion, one hundred twenty-five million, forty thousand, thirteen".