25880205 has 64 divisors (see below), whose sum is σ = 48722688. Its totient is φ = 11612160.

The previous prime is 25880203. The next prime is 25880207. The reversal of 25880205 is 50208852.

It is an interprime number because it is at equal distance from previous prime (25880203) and next prime (25880207).

It is not a de Polignac number, because 25880205 - 2¹ = 25880203 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25880203) 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 63 ways as a sum of consecutive naturals, for example, 122550 + ... + 122760.

It is an arithmetic number, because the mean of its divisors is an integer number (761292).

Almost surely, 2^25880205 is an apocalyptic number.

It is an amenable number.

25880205 is a deficient number, since it is larger than the sum of its proper divisors (22842483).

25880205 is a wasteful number, since it uses less digits than its factorization.

25880205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 25880205 is about 5087.2590852049. The cubic root of 25880205 is about 295.7939162365.

The spelling of 25880205 in words is "twenty-five million, eight hundred eighty thousand, two hundred five".