2504689 has 4 divisors (see below), whose sum is σ = 2732400. Its totient is φ = 2276980.

The previous prime is 2504687. The next prime is 2504693. The reversal of 2504689 is 9864052.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2504689 - 2¹ = 2504687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2504681) 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 3 ways as a sum of consecutive naturals, for example, 113839 + ... + 113860.

It is an arithmetic number, because the mean of its divisors is an integer number (683100).

2^2504689 is an apocalyptic number.

It is an amenable number.

2504689 is a deficient number, since it is larger than the sum of its proper divisors (227711).

2504689 is a wasteful number, since it uses less digits than its factorization.

2504689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227710.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2504689 is about 1582.6209274491. The cubic root of 2504689 is about 135.8056805297.

The spelling of 2504689 in words is "two million, five hundred four thousand, six hundred eighty-nine".