2585738251 has 4 divisors (see below), whose sum is σ = 2593895472. Its totient is φ = 2577581032.

The previous prime is 2585738249. The next prime is 2585738293. The reversal of 2585738251 is 1528375852.

2585738251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2585738251 - 2¹ = 2585738249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2585738201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4078135 + ... + 4078768.

It is an arithmetic number, because the mean of its divisors is an integer number (648473868).

Almost surely, 2^2585738251 is an apocalyptic number.

2585738251 is a deficient number, since it is larger than the sum of its proper divisors (8157221).

2585738251 is an equidigital number, since it uses as much as digits as its factorization.

2585738251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8157220.

The product of its digits is 672000, while the sum is 46.

The square root of 2585738251 is about 50850.1548768536. The cubic root of 2585738251 is about 1372.5500396596.

The spelling of 2585738251 in words is "two billion, five hundred eighty-five million, seven hundred thirty-eight thousand, two hundred fifty-one".