2500439 has 2 divisors, whose sum is σ = 2500440. Its totient is φ = 2500438.

The previous prime is 2500417. The next prime is 2500441. The reversal of 2500439 is 9340052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2500439 - 2¹⁶ = 2434903 is a prime.

Together with 2500441, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 0 + 0 + 4⁷ + 3⁸ + 9² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2500339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250219 + 1250220.

It is an arithmetic number, because the mean of its divisors is an integer number (1250220).

2^2500439 is an apocalyptic number.

2500439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500439 is an equidigital number, since it uses as much as digits as its factorization.

2500439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2500439 is about 1581.2776479796. The cubic root of 2500439 is about 135.7288245603.

It can be divided in two parts, 250043 and 9, that added together give a palindrome (250052).

The spelling of 2500439 in words is "two million, five hundred thousand, four hundred thirty-nine".