26134993 has 2 divisors, whose sum is σ = 26134994. Its totient is φ = 26134992.

The previous prime is 26134973. The next prime is 26135009. The reversal of 26134993 is 39943162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14493249 + 11641744 = 3807^2 + 3412^2 .

It is a cyclic number.

It is not a de Polignac number, because 26134993 - 2¹⁷ = 26003921 is a prime.

It is a super-2 number, since 2×26134993² = 1366075718220098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26134903) 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, 13067496 + 13067497.

It is an arithmetic number, because the mean of its divisors is an integer number (13067497).

Almost surely, 2^26134993 is an apocalyptic number.

It is an amenable number.

26134993 is a deficient number, since it is larger than the sum of its proper divisors (1).

26134993 is an equidigital number, since it uses as much as digits as its factorization.

26134993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 37.

The square root of 26134993 is about 5112.2395288171. The cubic root of 26134993 is about 296.7614351670.

The spelling of 26134993 in words is "twenty-six million, one hundred thirty-four thousand, nine hundred ninety-three".