25969085 has 4 divisors (see below), whose sum is σ = 31162908. Its totient is φ = 20775264.

The previous prime is 25969063. The next prime is 25969091. The reversal of 25969085 is 58096952.

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 18207289 + 7761796 = 4267^2 + 2786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25969085 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 2596904 + ... + 2596913.

It is an arithmetic number, because the mean of its divisors is an integer number (7790727).

Almost surely, 2^25969085 is an apocalyptic number.

It is an amenable number.

25969085 is a deficient number, since it is larger than the sum of its proper divisors (5193823).

25969085 is an equidigital number, since it uses as much as digits as its factorization.

25969085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193822.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 25969085 is about 5095.9871467656. The cubic root of 25969085 is about 296.1321428798.

The spelling of 25969085 in words is "twenty-five million, nine hundred sixty-nine thousand, eighty-five".