26200513 has 2 divisors, whose sum is σ = 26200514. Its totient is φ = 26200512.

The previous prime is 26200507. The next prime is 26200523. The reversal of 26200513 is 31500262.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25573249 + 627264 = 5057^2 + 792^2 .

It is a cyclic number.

It is not a de Polignac number, because 26200513 - 2⁹ = 26200001 is a prime.

It is not a weakly prime, because it can be changed into another prime (26200523) 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 as a sum of consecutive naturals, namely, 13100256 + 13100257.

It is an arithmetic number, because the mean of its divisors is an integer number (13100257).

Almost surely, 2^26200513 is an apocalyptic number.

It is an amenable number.

26200513 is a deficient number, since it is larger than the sum of its proper divisors (1).

26200513 is an equidigital number, since it uses as much as digits as its factorization.

26200513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 26200513 is about 5118.6436680042. The cubic root of 26200513 is about 297.0092202393.

Adding to 26200513 its reverse (31500262), we get a palindrome (57700775).

The spelling of 26200513 in words is "twenty-six million, two hundred thousand, five hundred thirteen".