25195655 has 16 divisors (see below), whose sum is σ = 30965760. Its totient is φ = 19674528.

The previous prime is 25195637. The next prime is 25195661. The reversal of 25195655 is 55659152.

It is a cyclic number.

It is not a de Polignac number, because 25195655 - 2¹² = 25191559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65594 + ... + 65976.

It is an arithmetic number, because the mean of its divisors is an integer number (1935360).

Almost surely, 2^25195655 is an apocalyptic number.

25195655 is a deficient number, since it is larger than the sum of its proper divisors (5770105).

25195655 is a wasteful number, since it uses less digits than its factorization.

25195655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670.

The product of its digits is 67500, while the sum is 38.

The square root of 25195655 is about 5019.5273681892. The cubic root of 25195655 is about 293.1625907453.

The spelling of 25195655 in words is "twenty-five million, one hundred ninety-five thousand, six hundred fifty-five".