26314621 has 2 divisors, whose sum is σ = 26314622. Its totient is φ = 26314620.

The previous prime is 26314609. The next prime is 26314627. The reversal of 26314621 is 12641362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20602521 + 5712100 = 4539^2 + 2390^2 .

It is a cyclic number.

It is not a de Polignac number, because 26314621 - 2⁷ = 26314493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26314627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13157310 + 13157311.

It is an arithmetic number, because the mean of its divisors is an integer number (13157311).

Almost surely, 2^26314621 is an apocalyptic number.

It is an amenable number.

26314621 is a deficient number, since it is larger than the sum of its proper divisors (1).

26314621 is an equidigital number, since it uses as much as digits as its factorization.

26314621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 26314621 is about 5129.7778704345. Note that the first 3 decimals coincide. The cubic root of 26314621 is about 297.4397721923.

Adding to 26314621 its reverse (12641362), we get a palindrome (38955983).

It can be divided in two parts, 263 and 14621, that added together give a square (14884 = 122²).

The spelling of 26314621 in words is "twenty-six million, three hundred fourteen thousand, six hundred twenty-one".