25655089 has 2 divisors, whose sum is σ = 25655090. Its totient is φ = 25655088.

The previous prime is 25655083. The next prime is 25655107. The reversal of 25655089 is 98055652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15523600 + 10131489 = 3940^2 + 3183^2 .

It is a cyclic number.

It is not a de Polignac number, because 25655089 - 2³ = 25655081 is a prime.

It is not a weakly prime, because it can be changed into another prime (25655081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12827544 + 12827545.

It is an arithmetic number, because the mean of its divisors is an integer number (12827545).

Almost surely, 2^25655089 is an apocalyptic number.

It is an amenable number.

25655089 is a deficient number, since it is larger than the sum of its proper divisors (1).

25655089 is an equidigital number, since it uses as much as digits as its factorization.

25655089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 25655089 is about 5065.0852904961. The cubic root of 25655089 is about 294.9337742749.

The spelling of 25655089 in words is "twenty-five million, six hundred fifty-five thousand, eighty-nine".