25820795 has 72 divisors (see below), whose sum is σ = 43302672. Its totient is φ = 14636160.

The previous prime is 25820777. The next prime is 25820887. The reversal of 25820795 is 59702852.

It is not a de Polignac number, because 25820795 - 2⁶ = 25820731 is a prime.

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 71 ways as a sum of consecutive naturals, for example, 385352 + ... + 385418.

It is an arithmetic number, because the mean of its divisors is an integer number (601426).

Almost surely, 2^25820795 is an apocalyptic number.

25820795 is a deficient number, since it is larger than the sum of its proper divisors (17481877).

25820795 is a wasteful number, since it uses less digits than its factorization.

25820795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 25820795 is about 5081.4166331841. The cubic root of 25820795 is about 295.5674035981.

The spelling of 25820795 in words is "twenty-five million, eight hundred twenty thousand, seven hundred ninety-five".