2504409 has 16 divisors (see below), whose sum is σ = 3585600. Its totient is φ = 1550016.

The previous prime is 2504407. The next prime is 2504413. The reversal of 2504409 is 9044052.

It is not a de Polignac number, because 2504409 - 2¹ = 2504407 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2504407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2607 + ... + 3435.

It is an arithmetic number, because the mean of its divisors is an integer number (224100).

2^2504409 is an apocalyptic number.

It is an amenable number.

2504409 is a deficient number, since it is larger than the sum of its proper divisors (1081191).

2504409 is a wasteful number, since it uses less digits than its factorization.

2504409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2504409 is about 1582.5324641220. The cubic root of 2504409 is about 135.8006197541.

The spelling of 2504409 in words is "two million, five hundred four thousand, four hundred nine".