26281393 has 2 divisors, whose sum is σ = 26281394. Its totient is φ = 26281392.

The previous prime is 26281357. The next prime is 26281429. The reversal of 26281393 is 39318262.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (26281357) and next prime (26281429).

It can be written as a sum of positive squares in only one way, i.e., 19562929 + 6718464 = 4423^2 + 2592^2 .

It is a cyclic number.

It is not a de Polignac number, because 26281393 - 2¹³ = 26273201 is a prime.

It is not a weakly prime, because it can be changed into another prime (26281193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13140696 + 13140697.

It is an arithmetic number, because the mean of its divisors is an integer number (13140697).

Almost surely, 2^26281393 is an apocalyptic number.

It is an amenable number.

26281393 is a deficient number, since it is larger than the sum of its proper divisors (1).

26281393 is an equidigital number, since it uses as much as digits as its factorization.

26281393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 26281393 is about 5126.5381106552. The cubic root of 26281393 is about 297.3145250704.

The spelling of 26281393 in words is "twenty-six million, two hundred eighty-one thousand, three hundred ninety-three".