25655049 has 20 divisors (see below), whose sum is σ = 43800064. Its totient is φ = 14659704.

The previous prime is 25655039. The next prime is 25655081. The reversal of 25655049 is 94055652.

25655049 is a `hidden beast` number, since 2 + 565 + 50 + 49 = 666.

It is not a de Polignac number, because 25655049 - 2⁴ = 25655033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25655039) 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 19 ways as a sum of consecutive naturals, for example, 22057 + ... + 23190.

Almost surely, 2^25655049 is an apocalyptic number.

It is an amenable number.

25655049 is a deficient number, since it is larger than the sum of its proper divisors (18145015).

25655049 is an equidigital number, since it uses as much as digits as its factorization.

25655049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45266 (or 45257 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 25655049 is about 5065.0813418937. The cubic root of 25655049 is about 294.9336209933.

The spelling of 25655049 in words is "twenty-five million, six hundred fifty-five thousand, forty-nine".