25259306316 has 36 divisors (see below), whose sum is σ = 62609292648. Its totient is φ = 7924487168.

The previous prime is 25259306291. The next prime is 25259306351. The reversal of 25259306316 is 61360395252.

It is a happy number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3638301 + ... + 3645236.

It is an arithmetic number, because the mean of its divisors is an integer number (1739147018).

Almost surely, 2^25259306316 is an apocalyptic number.

It is an amenable number.

25259306316 is an abundant number, since it is smaller than the sum of its proper divisors (37349986332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25259306316 is a wasteful number, since it uses less digits than its factorization.

25259306316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7283578 (or 7283559 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 25259306316 in words is "twenty-five billion, two hundred fifty-nine million, three hundred six thousand, three hundred sixteen".