25795215 has 24 divisors (see below), whose sum is σ = 44972928. Its totient is φ = 13677120.

The previous prime is 25795199. The next prime is 25795219. The reversal of 25795215 is 51259752.

It is not a de Polignac number, because 25795215 - 2⁴ = 25795199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25795215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25795219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6562 + ... + 9728.

It is an arithmetic number, because the mean of its divisors is an integer number (1873872).

Almost surely, 2^25795215 is an apocalyptic number.

25795215 is a deficient number, since it is larger than the sum of its proper divisors (19177713).

25795215 is a wasteful number, since it uses less digits than its factorization.

25795215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359 (or 3356 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 25795215 is about 5078.8989948610. The cubic root of 25795215 is about 295.4697676647.

The spelling of 25795215 in words is "twenty-five million, seven hundred ninety-five thousand, two hundred fifteen".