2500239 has 16 divisors (see below), whose sum is σ = 3868928. Its totient is φ = 1406592.

The previous prime is 2500213. The next prime is 2500273. The reversal of 2500239 is 9320052.

2500239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2500239 - 2⁸ = 2499983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500339) 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 15 ways as a sum of consecutive naturals, for example, 519 + ... + 2295.

It is an arithmetic number, because the mean of its divisors is an integer number (241808).

2^2500239 is an apocalyptic number.

2500239 is a deficient number, since it is larger than the sum of its proper divisors (1368689).

2500239 is a wasteful number, since it uses less digits than its factorization.

2500239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 2500239 is about 1581.2144067140. The cubic root of 2500239 is about 135.7252056640.

The spelling of 2500239 in words is "two million, five hundred thousand, two hundred thirty-nine".