2585621293 has 16 divisors (see below), whose sum is σ = 2662329600. Its totient is φ = 2509926336.

The previous prime is 2585621201. The next prime is 2585621299. The reversal of 2585621293 is 3921265852.

It is not a de Polignac number, because 2585621293 - 2²⁹ = 2048750381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585621299) 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 15 ways as a sum of consecutive naturals, for example, 4641771 + ... + 4642327.

It is an arithmetic number, because the mean of its divisors is an integer number (166395600).

Almost surely, 2^2585621293 is an apocalyptic number.

It is an amenable number.

2585621293 is a deficient number, since it is larger than the sum of its proper divisors (76708307).

2585621293 is a wasteful number, since it uses less digits than its factorization.

2585621293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236.

The product of its digits is 259200, while the sum is 43.

The square root of 2585621293 is about 50849.0048378530. The cubic root of 2585621293 is about 1372.5293449731.

The spelling of 2585621293 in words is "two billion, five hundred eighty-five million, six hundred twenty-one thousand, two hundred ninety-three".