26342321 has 4 divisors (see below), whose sum is σ = 26460672. Its totient is φ = 26223972.

The previous prime is 26342311. The next prime is 26342339. The reversal of 26342321 is 12324362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26342321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26342311) 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, 58841 + ... + 59286.

It is an arithmetic number, because the mean of its divisors is an integer number (6615168).

Almost surely, 2^26342321 is an apocalyptic number.

It is an amenable number.

26342321 is a deficient number, since it is larger than the sum of its proper divisors (118351).

26342321 is a wasteful number, since it uses less digits than its factorization.

26342321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118350.

The product of its digits is 1728, while the sum is 23.

The square root of 26342321 is about 5132.4770822674. The cubic root of 26342321 is about 297.5441019288.

Adding to 26342321 its reverse (12324362), we get a palindrome (38666683).

The spelling of 26342321 in words is "twenty-six million, three hundred forty-two thousand, three hundred twenty-one".