25955099 has 2 divisors, whose sum is σ = 25955100. Its totient is φ = 25955098.

The previous prime is 25955051. The next prime is 25955119. The reversal of 25955099 is 99055952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25955099 - 2²⁰ = 24906523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25955299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12977549 + 12977550.

It is an arithmetic number, because the mean of its divisors is an integer number (12977550).

Almost surely, 2^25955099 is an apocalyptic number.

25955099 is a deficient number, since it is larger than the sum of its proper divisors (1).

25955099 is an equidigital number, since it uses as much as digits as its factorization.

25955099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 182250, while the sum is 44.

The square root of 25955099 is about 5094.6147057457. The cubic root of 25955099 is about 296.0789713504.

The spelling of 25955099 in words is "twenty-five million, nine hundred fifty-five thousand, ninety-nine".