2439725 has 12 divisors (see below), whose sum is σ = 3157536. Its totient is φ = 1866480.

The previous prime is 2439719. The next prime is 2439737. The reversal of 2439725 is 5279342.

It is a happy number.

2439725 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 2439725 - 2¹⁶ = 2374189 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2439691 and 2439700.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1547 + ... + 2696.

It is an arithmetic number, because the mean of its divisors is an integer number (263128).

2^2439725 is an apocalyptic number.

2439725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2439725 is a deficient number, since it is larger than the sum of its proper divisors (717811).

2439725 is a wasteful number, since it uses less digits than its factorization.

2439725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276 (or 4271 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 2439725 is about 1561.9619073460. The cubic root of 2439725 is about 134.6212520729.

The spelling of 2439725 in words is "two million, four hundred thirty-nine thousand, seven hundred twenty-five".