25325275806 has 48 divisors (see below), whose sum is σ = 57285774000. Its totient is φ = 8385078528.

The previous prime is 25325275793. The next prime is 25325275813. The reversal of 25325275806 is 60857252352.

25325275806 is a `hidden beast` number, since 25 + 3 + 25 + 27 + 580 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102451 + ... + 247278.

It is an arithmetic number, because the mean of its divisors is an integer number (1193453625).

Almost surely, 2^25325275806 is an apocalyptic number.

25325275806 is an abundant number, since it is smaller than the sum of its proper divisors (31960498194).

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

25325275806 is a wasteful number, since it uses less digits than its factorization.

25325275806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349895 (or 349883 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 25325275806 in words is "twenty-five billion, three hundred twenty-five million, two hundred seventy-five thousand, eight hundred six".