26081321 has 8 divisors (see below), whose sum is σ = 29937024. Its totient is φ = 22258080.

The previous prime is 26081303. The next prime is 26081359. The reversal of 26081321 is 12318062.

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

It is a cyclic number.

It is not a de Polignac number, because 26081321 - 2⁶ = 26081257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26081021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6365 + ... + 9626.

It is an arithmetic number, because the mean of its divisors is an integer number (3742128).

Almost surely, 2^26081321 is an apocalyptic number.

It is an amenable number.

26081321 is a deficient number, since it is larger than the sum of its proper divisors (3855703).

26081321 is a wasteful number, since it uses less digits than its factorization.

26081321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16231.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 26081321 is about 5106.9874681656. The cubic root of 26081321 is about 296.5581483892.

Adding to 26081321 its reverse (12318062), we get a palindrome (38399383).

The spelling of 26081321 in words is "twenty-six million, eighty-one thousand, three hundred twenty-one".