2510139 has 4 divisors (see below), whose sum is σ = 3346856. Its totient is φ = 1673424.

The previous prime is 2510111. The next prime is 2510141. The reversal of 2510139 is 9310152.

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

It is not a de Polignac number, because 2510139 - 2⁵ = 2510107 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 (2510149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418354 + ... + 418359.

It is an arithmetic number, because the mean of its divisors is an integer number (836714).

2^2510139 is an apocalyptic number.

2510139 is a deficient number, since it is larger than the sum of its proper divisors (836717).

2510139 is an equidigital number, since it uses as much as digits as its factorization.

2510139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836716.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 2510139 is about 1584.3418191792. The cubic root of 2510139 is about 135.9041098860.

The spelling of 2510139 in words is "two million, five hundred ten thousand, one hundred thirty-nine".