26456401 has 2 divisors, whose sum is σ = 26456402. Its totient is φ = 26456400.

The previous prime is 26456387. The next prime is 26456411. The reversal of 26456401 is 10465462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17842176 + 8614225 = 4224^2 + 2935^2 .

It is a cyclic number.

It is not a de Polignac number, because 26456401 - 2⁷ = 26456273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26456401.

It is not a weakly prime, because it can be changed into another prime (26456411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13228200 + 13228201.

It is an arithmetic number, because the mean of its divisors is an integer number (13228201).

Almost surely, 2^26456401 is an apocalyptic number.

It is an amenable number.

26456401 is a deficient number, since it is larger than the sum of its proper divisors (1).

26456401 is an equidigital number, since it uses as much as digits as its factorization.

26456401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 26456401 is about 5143.5786180441. The cubic root of 26456401 is about 297.9730055274.

It can be divided in two parts, 264 and 56401, that added together give a palindrome (56665).

The spelling of 26456401 in words is "twenty-six million, four hundred fifty-six thousand, four hundred one".