26073613 has 2 divisors, whose sum is σ = 26073614. Its totient is φ = 26073612.

The previous prime is 26073611. The next prime is 26073647. The reversal of 26073613 is 31637062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25371369 + 702244 = 5037^2 + 838^2 .

It is a cyclic number.

It is not a de Polignac number, because 26073613 - 2¹ = 26073611 is a prime.

Together with 26073611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26073611) 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, 13036806 + 13036807.

It is an arithmetic number, because the mean of its divisors is an integer number (13036807).

Almost surely, 2^26073613 is an apocalyptic number.

It is an amenable number.

26073613 is a deficient number, since it is larger than the sum of its proper divisors (1).

26073613 is an equidigital number, since it uses as much as digits as its factorization.

26073613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 26073613 is about 5106.2327600688. The cubic root of 26073613 is about 296.5289308580.

The spelling of 26073613 in words is "twenty-six million, seventy-three thousand, six hundred thirteen".