2504705 has 8 divisors (see below), whose sum is σ = 3435072. Its totient is φ = 1717488.

The previous prime is 2504693. The next prime is 2504717. The reversal of 2504705 is 5074052.

It is an interprime number because it is at equal distance from previous prime (2504693) and next prime (2504717).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2504705 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35747 + ... + 35816.

It is an arithmetic number, because the mean of its divisors is an integer number (429384).

It is a Proth number, since it is equal to 1223 ⋅ 2¹¹ + 1 and 1223 < 2¹¹.

2^2504705 is an apocalyptic number.

It is an amenable number.

2504705 is a deficient number, since it is larger than the sum of its proper divisors (930367).

2504705 is an equidigital number, since it uses as much as digits as its factorization.

2504705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71575.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 2504705 is about 1582.6259823471. The cubic root of 2504705 is about 135.8059697055.

Adding to 2504705 its reverse (5074052), we get a palindrome (7578757).

The spelling of 2504705 in words is "two million, five hundred four thousand, seven hundred five".