26315089 has 2 divisors, whose sum is σ = 26315090. Its totient is φ = 26315088.

The previous prime is 26315053. The next prime is 26315117. The reversal of 26315089 is 98051362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18558864 + 7756225 = 4308^2 + 2785^2 .

It is a cyclic number.

It is not a de Polignac number, because 26315089 - 2⁷ = 26314961 is a prime.

It is not a weakly prime, because it can be changed into another prime (26315689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13157544 + 13157545.

It is an arithmetic number, because the mean of its divisors is an integer number (13157545).

Almost surely, 2^26315089 is an apocalyptic number.

It is an amenable number.

26315089 is a deficient number, since it is larger than the sum of its proper divisors (1).

26315089 is an equidigital number, since it uses as much as digits as its factorization.

26315089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 26315089 is about 5129.8234862420. The cubic root of 26315089 is about 297.4415354831.

The spelling of 26315089 in words is "twenty-six million, three hundred fifteen thousand, eighty-nine".