5078125513 has 4 divisors (see below), whose sum is σ = 5078293780. Its totient is φ = 5077957248.

The previous prime is 5078125489. The next prime is 5078125529. The reversal of 5078125513 is 3155218705.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3424239289 + 1653886224 = 58517^2 + 40668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5078125513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5078125543) 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 3 ways as a sum of consecutive naturals, for example, 25020 + ... + 103837.

It is an arithmetic number, because the mean of its divisors is an integer number (1269573445).

Almost surely, 2^5078125513 is an apocalyptic number.

It is an amenable number.

5078125513 is a deficient number, since it is larger than the sum of its proper divisors (168267).

5078125513 is a wasteful number, since it uses less digits than its factorization.

5078125513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168266.

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 5078125513 is about 71260.9676681421. The cubic root of 5078125513 is about 1718.8361417225.

The spelling of 5078125513 in words is "five billion, seventy-eight million, one hundred twenty-five thousand, five hundred thirteen".