26045321 has 4 divisors (see below), whose sum is σ = 26058000. Its totient is φ = 26032644.

The previous prime is 26045303. The next prime is 26045329. The reversal of 26045321 is 12354062.

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-26045321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26045329) 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 in 3 ways as a sum of consecutive naturals, for example, 2471 + ... + 7628.

It is an arithmetic number, because the mean of its divisors is an integer number (6514500).

Almost surely, 2^26045321 is an apocalyptic number.

It is an amenable number.

26045321 is a deficient number, since it is larger than the sum of its proper divisors (12679).

26045321 is a wasteful number, since it uses less digits than its factorization.

26045321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12678.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 26045321 is about 5103.4616683189. The cubic root of 26045321 is about 296.4216393377.

Adding to 26045321 its reverse (12354062), we get a palindrome (38399383).

The spelling of 26045321 in words is "twenty-six million, forty-five thousand, three hundred twenty-one".