2504565 has 24 divisors (see below), whose sum is σ = 4962048. Its totient is φ = 1144800.

The previous prime is 2504563. The next prime is 2504569. The reversal of 2504565 is 5654052.

It is not a de Polignac number, because 2504565 - 2¹ = 2504563 is a prime.

2504565 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2504563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3661 + ... + 4290.

It is an arithmetic number, because the mean of its divisors is an integer number (206752).

2^2504565 is an apocalyptic number.

It is an amenable number.

2504565 is a deficient number, since it is larger than the sum of its proper divisors (2457483).

2504565 is a wasteful number, since it uses less digits than its factorization.

2504565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7969 (or 7966 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2504565 is about 1582.5817514429. The cubic root of 2504565 is about 135.8034393756.

The spelling of 2504565 in words is "two million, five hundred four thousand, five hundred sixty-five".