26530129 has 2 divisors, whose sum is σ = 26530130. Its totient is φ = 26530128.

The previous prime is 26530123. The next prime is 26530159. The reversal of 26530129 is 92103562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25230529 + 1299600 = 5023^2 + 1140^2 .

It is a cyclic number.

It is not a de Polignac number, because 26530129 - 2⁷ = 26530001 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26530097 and 26530106.

It is not a weakly prime, because it can be changed into another prime (26530123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13265064 + 13265065.

It is an arithmetic number, because the mean of its divisors is an integer number (13265065).

Almost surely, 2^26530129 is an apocalyptic number.

It is an amenable number.

26530129 is a deficient number, since it is larger than the sum of its proper divisors (1).

26530129 is an equidigital number, since it uses as much as digits as its factorization.

26530129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 26530129 is about 5150.7406263566. The cubic root of 26530129 is about 298.2495432392.

The spelling of 26530129 in words is "twenty-six million, five hundred thirty thousand, one hundred twenty-nine".