26201213 has 2 divisors, whose sum is σ = 26201214. Its totient is φ = 26201212.

The previous prime is 26201207. The next prime is 26201237. The reversal of 26201213 is 31210262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17123044 + 9078169 = 4138^2 + 3013^2 .

It is a cyclic number.

It is not a de Polignac number, because 26201213 - 2¹² = 26197117 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26201191 and 26201200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26203213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13100606 + 13100607.

It is an arithmetic number, because the mean of its divisors is an integer number (13100607).

Almost surely, 2^26201213 is an apocalyptic number.

It is an amenable number.

26201213 is a deficient number, since it is larger than the sum of its proper divisors (1).

26201213 is an equidigital number, since it uses as much as digits as its factorization.

26201213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 26201213 is about 5118.7120450363. The cubic root of 26201213 is about 297.0118652842.

Adding to 26201213 its reverse (31210262), we get a palindrome (57411475).

The spelling of 26201213 in words is "twenty-six million, two hundred one thousand, two hundred thirteen".