26350865 has 4 divisors (see below), whose sum is σ = 31621044. Its totient is φ = 21080688.

The previous prime is 26350843. The next prime is 26350897. The reversal of 26350865 is 56805362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56805362 = 2 ⋅28402681.

It can be written as a sum of positive squares in 2 ways, for example, as 13512976 + 12837889 = 3676^2 + 3583^2 .

It is a cyclic number.

It is not a de Polignac number, because 26350865 - 2¹² = 26346769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2635082 + ... + 2635091.

It is an arithmetic number, because the mean of its divisors is an integer number (7905261).

Almost surely, 2^26350865 is an apocalyptic number.

It is an amenable number.

26350865 is a deficient number, since it is larger than the sum of its proper divisors (5270179).

26350865 is an equidigital number, since it uses as much as digits as its factorization.

26350865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5270178.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 26350865 is about 5133.3093614159. The cubic root of 26350865 is about 297.5762674317.

The spelling of 26350865 in words is "twenty-six million, three hundred fifty thousand, eight hundred sixty-five".