26101321 has 2 divisors, whose sum is σ = 26101322. Its totient is φ = 26101320.

The previous prime is 26101303. The next prime is 26101381. The reversal of 26101321 is 12310162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21261321 + 4840000 = 4611^2 + 2200^2 .

It is a cyclic number.

It is not a de Polignac number, because 26101321 - 2⁵ = 26101289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26101295 and 26101304.

It is not a weakly prime, because it can be changed into another prime (26101381) 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 as a sum of consecutive naturals, namely, 13050660 + 13050661.

It is an arithmetic number, because the mean of its divisors is an integer number (13050661).

Almost surely, 2^26101321 is an apocalyptic number.

It is an amenable number.

26101321 is a deficient number, since it is larger than the sum of its proper divisors (1).

26101321 is an equidigital number, since it uses as much as digits as its factorization.

26101321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 26101321 is about 5108.9451944604. The cubic root of 26101321 is about 296.6339324794.

Adding to 26101321 its reverse (12310162), we get a palindrome (38411483).

The spelling of 26101321 in words is "twenty-six million, one hundred one thousand, three hundred twenty-one".