2585212807 has 4 divisors (see below), whose sum is σ = 2592663336. Its totient is φ = 2577762280.

The previous prime is 2585212793. The next prime is 2585212813. The reversal of 2585212807 is 7082125852.

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 2585212807 - 2¹¹ = 2585210759 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2585212807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585212837) 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, 3724744 + ... + 3725437.

It is an arithmetic number, because the mean of its divisors is an integer number (648165834).

Almost surely, 2^2585212807 is an apocalyptic number.

2585212807 is a deficient number, since it is larger than the sum of its proper divisors (7450529).

2585212807 is an equidigital number, since it uses as much as digits as its factorization.

2585212807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7450528.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 2585212807 is about 50844.9880224197. The cubic root of 2585212807 is about 1372.4570620816.

The spelling of 2585212807 in words is "two billion, five hundred eighty-five million, two hundred twelve thousand, eight hundred seven".