25261085 has 4 divisors (see below), whose sum is σ = 30313308. Its totient is φ = 20208864.

The previous prime is 25261079. The next prime is 25261097. The reversal of 25261085 is 58016252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11519236 + 13741849 = 3394^2 + 3707^2 .

It is a cyclic number.

It is not a de Polignac number, because 25261085 - 2⁶ = 25261021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2526104 + ... + 2526113.

It is an arithmetic number, because the mean of its divisors is an integer number (7578327).

Almost surely, 2^25261085 is an apocalyptic number.

It is an amenable number.

25261085 is a deficient number, since it is larger than the sum of its proper divisors (5052223).

25261085 is an equidigital number, since it uses as much as digits as its factorization.

25261085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052222.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 25261085 is about 5026.0406882555. The cubic root of 25261085 is about 293.4161403900.

The spelling of 25261085 in words is "twenty-five million, two hundred sixty-one thousand, eighty-five".