25105085 has 8 divisors (see below), whose sum is σ = 30318936. Its totient is φ = 19955520.

The previous prime is 25105063. The next prime is 25105111. The reversal of 25105085 is 58050152.

It can be written as a sum of positive squares in 4 ways, for example, as 75076 + 25030009 = 274^2 + 5003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25105085 - 2¹⁰ = 25104061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15206 + ... + 16775.

It is an arithmetic number, because the mean of its divisors is an integer number (3789867).

Almost surely, 2^25105085 is an apocalyptic number.

It is an amenable number.

25105085 is a deficient number, since it is larger than the sum of its proper divisors (5213851).

25105085 is a wasteful number, since it uses less digits than its factorization.

25105085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32143.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 25105085 is about 5010.4974802908. The cubic root of 25105085 is about 292.8108949943.

The spelling of 25105085 in words is "twenty-five million, one hundred five thousand, eighty-five".