26342401 has 4 divisors (see below), whose sum is σ = 27891972. Its totient is φ = 24792832.

The previous prime is 26342399. The next prime is 26342443. The reversal of 26342401 is 10424362.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21715600 + 4626801 = 4660^2 + 2151^2 .

It is a cyclic number.

It is not a de Polignac number, because 26342401 - 2¹ = 26342399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26342461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774760 + ... + 774793.

It is an arithmetic number, because the mean of its divisors is an integer number (6972993).

Almost surely, 2^26342401 is an apocalyptic number.

It is an amenable number.

26342401 is a deficient number, since it is larger than the sum of its proper divisors (1549571).

26342401 is a wasteful number, since it uses less digits than its factorization.

26342401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549570.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 26342401 is about 5132.4848757692. The cubic root of 26342401 is about 297.5444031362.

Adding to 26342401 its reverse (10424362), we get a palindrome (36766763).

The spelling of 26342401 in words is "twenty-six million, three hundred forty-two thousand, four hundred one".