2585504203 has 4 divisors (see below), whose sum is σ = 2600449488. Its totient is φ = 2570558920.

The previous prime is 2585504171. The next prime is 2585504213. The reversal of 2585504203 is 3024055852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2585504203 - 2⁵ = 2585504171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2585504213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7472383 + ... + 7472728.

It is an arithmetic number, because the mean of its divisors is an integer number (650112372).

Almost surely, 2^2585504203 is an apocalyptic number.

2585504203 is a deficient number, since it is larger than the sum of its proper divisors (14945285).

2585504203 is a wasteful number, since it uses less digits than its factorization.

2585504203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14945284.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 2585504203 is about 50847.8534748518. The cubic root of 2585504203 is about 1372.5086263051.

The spelling of 2585504203 in words is "two billion, five hundred eighty-five million, five hundred four thousand, two hundred three".