26053613 has 2 divisors, whose sum is σ = 26053614. Its totient is φ = 26053612.

The previous prime is 26053607. The next prime is 26053637. The reversal of 26053613 is 31635062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25989604 + 64009 = 5098^2 + 253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26053613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26053603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13026806 + 13026807.

It is an arithmetic number, because the mean of its divisors is an integer number (13026807).

Almost surely, 2^26053613 is an apocalyptic number.

It is an amenable number.

26053613 is a deficient number, since it is larger than the sum of its proper divisors (1).

26053613 is an equidigital number, since it uses as much as digits as its factorization.

26053613 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 26.

The square root of 26053613 is about 5104.2739934294. The cubic root of 26053613 is about 296.4530930671.

Adding to 26053613 its reverse (31635062), we get a palindrome (57688675).

The spelling of 26053613 in words is "twenty-six million, fifty-three thousand, six hundred thirteen".