25900630259 has 6 divisors (see below), whose sum is σ = 30129304644. Its totient is φ = 22200540180.

The previous prime is 25900630253. The next prime is 25900630267. The reversal of 25900630259 is 95203600952.

It is not a de Polignac number, because 25900630259 - 2⁴ = 25900630243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25900630253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 264292097 + ... + 264292194.

It is an arithmetic number, because the mean of its divisors is an integer number (5021550774).

Almost surely, 2^25900630259 is an apocalyptic number.

25900630259 is a deficient number, since it is larger than the sum of its proper divisors (4228674385).

25900630259 is an equidigital number, since it uses as much as digits as its factorization.

25900630259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528584305 (or 528584298 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 25900630259 in words is "twenty-five billion, nine hundred million, six hundred thirty thousand, two hundred fifty-nine".