26242321 has 4 divisors (see below), whose sum is σ = 29991232. Its totient is φ = 22493412.

The previous prime is 26242319. The next prime is 26242343. The reversal of 26242321 is 12324262.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12324262 = 2 ⋅6162131.

It is a cyclic number.

It is not a de Polignac number, because 26242321 - 2¹ = 26242319 is a prime.

It is a super-2 number, since 2×26242321² = 1377318822934082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26242292 and 26242301.

It is not an unprimeable number, because it can be changed into a prime (26242621) 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, 1874445 + ... + 1874458.

It is an arithmetic number, because the mean of its divisors is an integer number (7497808).

Almost surely, 2^26242321 is an apocalyptic number.

It is an amenable number.

26242321 is a deficient number, since it is larger than the sum of its proper divisors (3748911).

26242321 is an equidigital number, since it uses as much as digits as its factorization.

26242321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748910.

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

The square root of 26242321 is about 5122.7259345001. The cubic root of 26242321 is about 297.1671148901.

Adding to 26242321 its reverse (12324262), we get a palindrome (38566583).

The spelling of 26242321 in words is "twenty-six million, two hundred forty-two thousand, three hundred twenty-one".