2504709 has 8 divisors (see below), whose sum is σ = 3710720. Its totient is φ = 1669788.

The previous prime is 2504693. The next prime is 2504717. The reversal of 2504709 is 9074052.

It is not a de Polignac number, because 2504709 - 2⁴ = 2504693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 92767 = 2504709 / (2 + 5 + 0 + 4 + 7 + 0 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2504779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46357 + ... + 46410.

It is an arithmetic number, because the mean of its divisors is an integer number (463840).

2^2504709 is an apocalyptic number.

It is an amenable number.

2504709 is a deficient number, since it is larger than the sum of its proper divisors (1206011).

2504709 is an equidigital number, since it uses as much as digits as its factorization.

2504709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92776 (or 92770 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2504709 is about 1582.6272460690. The cubic root of 2504709 is about 135.8060419993.

The spelling of 2504709 in words is "two million, five hundred four thousand, seven hundred nine".