25900000259 has 16 divisors (see below), whose sum is σ = 32188241088. Its totient is φ = 20329408512.

The previous prime is 25900000237. The next prime is 25900000267. The reversal of 25900000259 is 95200000952.

It is not a de Polignac number, because 25900000259 - 2⁸ = 25900000003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25900000459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2936774 + ... + 2945579.

It is an arithmetic number, because the mean of its divisors is an integer number (2011765068).

Almost surely, 2^25900000259 is an apocalyptic number.

25900000259 is a deficient number, since it is larger than the sum of its proper divisors (6288240829).

25900000259 is a wasteful number, since it uses less digits than its factorization.

25900000259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882414.

The product of its (nonzero) digits is 8100, while the sum is 32.

The spelling of 25900000259 in words is "twenty-five billion, nine hundred million, two hundred fifty-nine", and thus it is an aban number.