2504385805 has 16 divisors (see below), whose sum is σ = 3065504688. Its totient is φ = 1963584000.

The previous prime is 2504385791. The next prime is 2504385817. The reversal of 2504385805 is 5085834052.

It can be written as a sum of positive squares in 8 ways, for example, as 791915881 + 1712469924 = 28141^2 + 41382^2 .

It is not a de Polignac number, because 2504385805 - 2⁵ = 2504385773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71095 + ... + 100315.

It is an arithmetic number, because the mean of its divisors is an integer number (191594043).

Almost surely, 2^2504385805 is an apocalyptic number.

It is an amenable number.

2504385805 is a deficient number, since it is larger than the sum of its proper divisors (561118883).

2504385805 is a wasteful number, since it uses less digits than its factorization.

2504385805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29568.

The product of its (nonzero) digits is 192000, while the sum is 40.

The square root of 2504385805 is about 50043.8388315685. The cubic root of 2504385805 is about 1358.0020050609.

The spelling of 2504385805 in words is "two billion, five hundred four million, three hundred eighty-five thousand, eight hundred five".