26162401 has 2 divisors, whose sum is σ = 26162402. Its totient is φ = 26162400.

The previous prime is 26162399. The next prime is 26162413. The reversal of 26162401 is 10426162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23775376 + 2387025 = 4876^2 + 1545^2 .

It is a cyclic number.

It is not a de Polignac number, because 26162401 - 2¹ = 26162399 is a prime.

Together with 26162399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26162471) 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 as a sum of consecutive naturals, namely, 13081200 + 13081201.

It is an arithmetic number, because the mean of its divisors is an integer number (13081201).

Almost surely, 2^26162401 is an apocalyptic number.

It is an amenable number.

26162401 is a deficient number, since it is larger than the sum of its proper divisors (1).

26162401 is an equidigital number, since it uses as much as digits as its factorization.

26162401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 26162401 is about 5114.9194519562. The cubic root of 26162401 is about 296.8651377112.

Adding to 26162401 its reverse (10426162), we get a palindrome (36588563).

The spelling of 26162401 in words is "twenty-six million, one hundred sixty-two thousand, four hundred one".