26765213 has 2 divisors, whose sum is σ = 26765214. Its totient is φ = 26765212.

The previous prime is 26765209. The next prime is 26765239. The reversal of 26765213 is 31256762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15225604 + 11539609 = 3902^2 + 3397^2 .

It is a cyclic number.

It is not a de Polignac number, because 26765213 - 2² = 26765209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26765213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26765273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13382606 + 13382607.

It is an arithmetic number, because the mean of its divisors is an integer number (13382607).

Almost surely, 2^26765213 is an apocalyptic number.

It is an amenable number.

26765213 is a deficient number, since it is larger than the sum of its proper divisors (1).

26765213 is an equidigital number, since it uses as much as digits as its factorization.

26765213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 26765213 is about 5173.5107035745. The cubic root of 26765213 is about 299.1278856974.

The spelling of 26765213 in words is "twenty-six million, seven hundred sixty-five thousand, two hundred thirteen".