26306065 has 8 divisors (see below), whose sum is σ = 31604328. Its totient is φ = 21020160.

The previous prime is 26306047. The next prime is 26306069. The reversal of 26306065 is 56060362.

It can be written as a sum of positive squares in 4 ways, for example, as 4562496 + 21743569 = 2136^2 + 4663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26306065 - 2²¹ = 24208913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26306069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2529 + ... + 7681.

It is an arithmetic number, because the mean of its divisors is an integer number (3950541).

Almost surely, 2^26306065 is an apocalyptic number.

It is an amenable number.

26306065 is a deficient number, since it is larger than the sum of its proper divisors (5298263).

26306065 is a wasteful number, since it uses less digits than its factorization.

26306065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6179.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 26306065 is about 5128.9438483961. The cubic root of 26306065 is about 297.4075319337.

The spelling of 26306065 in words is "twenty-six million, three hundred six thousand, sixty-five".