5138579 has 4 divisors (see below), whose sum is σ = 5222880. Its totient is φ = 5054280.

The previous prime is 5138561. The next prime is 5138603. The reversal of 5138579 is 9758315.

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

It is a cyclic number.

It is not a de Polignac number, because 5138579 - 2²⁰ = 4090003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5138519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42059 + ... + 42180.

It is an arithmetic number, because the mean of its divisors is an integer number (1305720).

Almost surely, 2^5138579 is an apocalyptic number.

5138579 is a deficient number, since it is larger than the sum of its proper divisors (84301).

5138579 is an equidigital number, since it uses as much as digits as its factorization.

5138579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84300.

The product of its digits is 37800, while the sum is 38.

The square root of 5138579 is about 2266.8433999727. The cubic root of 5138579 is about 172.5629987635.

The spelling of 5138579 in words is "five million, one hundred thirty-eight thousand, five hundred seventy-nine".