25325275805 has 32 divisors (see below), whose sum is σ = 31084155648. Its totient is φ = 19804288000.

The previous prime is 25325275793. The next prime is 25325275813. The reversal of 25325275805 is 50857252352.

It is not a de Polignac number, because 25325275805 - 2¹² = 25325271709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17746502 + ... + 17747928.

It is an arithmetic number, because the mean of its divisors is an integer number (971379864).

Almost surely, 2^25325275805 is an apocalyptic number.

It is an amenable number.

25325275805 is a deficient number, since it is larger than the sum of its proper divisors (5758879843).

25325275805 is a wasteful number, since it uses less digits than its factorization.

25325275805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957.

The product of its (nonzero) digits is 840000, while the sum is 44.

The spelling of 25325275805 in words is "twenty-five billion, three hundred twenty-five million, two hundred seventy-five thousand, eight hundred five".