26319065 has 4 divisors (see below), whose sum is σ = 31582884. Its totient is φ = 21055248.

The previous prime is 26319049. The next prime is 26319091. The reversal of 26319065 is 56091362.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18344089 + 7974976 = 4283^2 + 2824^2 .

It is a cyclic number.

It is not a de Polignac number, because 26319065 - 2⁴ = 26319049 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, 2631902 + ... + 2631911.

It is an arithmetic number, because the mean of its divisors is an integer number (7895721).

Almost surely, 2^26319065 is an apocalyptic number.

It is an amenable number.

26319065 is a deficient number, since it is larger than the sum of its proper divisors (5263819).

26319065 is an equidigital number, since it uses as much as digits as its factorization.

26319065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263818.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 26319065 is about 5130.2110093056. The cubic root of 26319065 is about 297.4565150763.

The spelling of 26319065 in words is "twenty-six million, three hundred nineteen thousand, sixty-five".