26530223 has 2 divisors, whose sum is σ = 26530224. Its totient is φ = 26530222.

The previous prime is 26530219. The next prime is 26530237. The reversal of 26530223 is 32203562.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26530223 - 2² = 26530219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26530123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13265111 + 13265112.

It is an arithmetic number, because the mean of its divisors is an integer number (13265112).

Almost surely, 2^26530223 is an apocalyptic number.

26530223 is a deficient number, since it is larger than the sum of its proper divisors (1).

26530223 is an equidigital number, since it uses as much as digits as its factorization.

26530223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 26530223 is about 5150.7497512498. The cubic root of 26530223 is about 298.2498954856.

Adding to 26530223 its reverse (32203562), we get a palindrome (58733785).

The spelling of 26530223 in words is "twenty-six million, five hundred thirty thousand, two hundred twenty-three".