26481101 has 2 divisors, whose sum is σ = 26481102. Its totient is φ = 26481100.

The previous prime is 26481017. The next prime is 26481113. The reversal of 26481101 is 10118462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16564900 + 9916201 = 4070^2 + 3149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26481101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26481181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13240550 + 13240551.

It is an arithmetic number, because the mean of its divisors is an integer number (13240551).

Almost surely, 2^26481101 is an apocalyptic number.

It is an amenable number.

26481101 is a deficient number, since it is larger than the sum of its proper divisors (1).

26481101 is an equidigital number, since it uses as much as digits as its factorization.

26481101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 26481101 is about 5145.9791099459. The cubic root of 26481101 is about 298.0657070250.

Adding to 26481101 its reverse (10118462), we get a palindrome (36599563).

The spelling of 26481101 in words is "twenty-six million, four hundred eighty-one thousand, one hundred one".