25610089 has 2 divisors, whose sum is σ = 25610090. Its totient is φ = 25610088.

The previous prime is 25610087. The next prime is 25610093. The reversal of 25610089 is 98001652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17572864 + 8037225 = 4192^2 + 2835^2 .

It is a cyclic number.

It is not a de Polignac number, because 25610089 - 2¹ = 25610087 is a prime.

Together with 25610087, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25610089.

It is not a weakly prime, because it can be changed into another prime (25610087) 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 as a sum of consecutive naturals, namely, 12805044 + 12805045.

It is an arithmetic number, because the mean of its divisors is an integer number (12805045).

Almost surely, 2^25610089 is an apocalyptic number.

It is an amenable number.

25610089 is a deficient number, since it is larger than the sum of its proper divisors (1).

25610089 is an equidigital number, since it uses as much as digits as its factorization.

25610089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 25610089 is about 5060.6411649118. The cubic root of 25610089 is about 294.7612316747.

The spelling of 25610089 in words is "twenty-five million, six hundred ten thousand, eighty-nine".