26587313 has 2 divisors, whose sum is σ = 26587314. Its totient is φ = 26587312.

The previous prime is 26587283. The next prime is 26587321. The reversal of 26587313 is 31378562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15108769 + 11478544 = 3887^2 + 3388^2 .

It is a cyclic number.

It is not a de Polignac number, because 26587313 - 2¹⁰ = 26586289 is a prime.

It is not a weakly prime, because it can be changed into another prime (26587513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13293656 + 13293657.

It is an arithmetic number, because the mean of its divisors is an integer number (13293657).

Almost surely, 2^26587313 is an apocalyptic number.

It is an amenable number.

26587313 is a deficient number, since it is larger than the sum of its proper divisors (1).

26587313 is an equidigital number, since it uses as much as digits as its factorization.

26587313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 26587313 is about 5156.2886847034. The cubic root of 26587313 is about 298.4636754158.

It can be divided in two parts, 265 and 87313, that added together give a palindrome (87578).

The spelling of 26587313 in words is "twenty-six million, five hundred eighty-seven thousand, three hundred thirteen".