26444461 has 2 divisors, whose sum is σ = 26444462. Its totient is φ = 26444460.

The previous prime is 26444443. The next prime is 26444471. The reversal of 26444461 is 16444462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19527561 + 6916900 = 4419^2 + 2630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26444461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26444471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13222230 + 13222231.

It is an arithmetic number, because the mean of its divisors is an integer number (13222231).

Almost surely, 2^26444461 is an apocalyptic number.

It is an amenable number.

26444461 is a deficient number, since it is larger than the sum of its proper divisors (1).

26444461 is an equidigital number, since it uses as much as digits as its factorization.

26444461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 31.

The square root of 26444461 is about 5142.4178165528. The cubic root of 26444461 is about 297.9281728605.

Subtracting from 26444461 its reverse (16444462), we obtain a palindrome (9999999).

The spelling of 26444461 in words is "twenty-six million, four hundred forty-four thousand, four hundred sixty-one".