26315205 has 24 divisors (see below), whose sum is σ = 48979872. Its totient is φ = 12029472.

The previous prime is 26315173. The next prime is 26315207. The reversal of 26315205 is 50251362.

It is not a de Polignac number, because 26315205 - 2⁵ = 26315173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26315207) 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 in 23 ways as a sum of consecutive naturals, for example, 17167 + ... + 18636.

It is an arithmetic number, because the mean of its divisors is an integer number (2040828).

Almost surely, 2^26315205 is an apocalyptic number.

It is an amenable number.

26315205 is a deficient number, since it is larger than the sum of its proper divisors (22664667).

26315205 is a wasteful number, since it uses less digits than its factorization.

26315205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35825 (or 35818 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 26315205 is about 5129.8347926615. The cubic root of 26315205 is about 297.4419725348.

Adding to 26315205 its reverse (50251362), we get a palindrome (76566567).

The spelling of 26315205 in words is "twenty-six million, three hundred fifteen thousand, two hundred five".