2585515279 has 2 divisors, whose sum is σ = 2585515280. Its totient is φ = 2585515278.

The previous prime is 2585515253. The next prime is 2585515313. The reversal of 2585515279 is 9725155852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2585515279 - 2²⁵ = 2551960847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2580515279) 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 as a sum of consecutive naturals, namely, 1292757639 + 1292757640.

It is an arithmetic number, because the mean of its divisors is an integer number (1292757640).

Almost surely, 2^2585515279 is an apocalyptic number.

2585515279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2585515279 is an equidigital number, since it uses as much as digits as its factorization.

2585515279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260000, while the sum is 49.

The square root of 2585515279 is about 50847.9623878873. The cubic root of 2585515279 is about 1372.5105861916.

The spelling of 2585515279 in words is "two billion, five hundred eighty-five million, five hundred fifteen thousand, two hundred seventy-nine".