2573139 has 4 divisors (see below), whose sum is σ = 3430856. Its totient is φ = 1715424.

The previous prime is 2573107. The next prime is 2573143. The reversal of 2573139 is 9313752.

2573139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2573139 - 2⁵ = 2573107 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2573149) 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, 428854 + ... + 428859.

It is an arithmetic number, because the mean of its divisors is an integer number (857714).

2^2573139 is an apocalyptic number.

2573139 is a deficient number, since it is larger than the sum of its proper divisors (857717).

2573139 is an equidigital number, since it uses as much as digits as its factorization.

2573139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857716.

The product of its digits is 5670, while the sum is 30.

The square root of 2573139 is about 1604.1006826256. The cubic root of 2573139 is about 137.0317116283.

The spelling of 2573139 in words is "two million, five hundred seventy-three thousand, one hundred thirty-nine".