26040613 has 2 divisors, whose sum is σ = 26040614. Its totient is φ = 26040612.

The previous prime is 26040607. The next prime is 26040629. The reversal of 26040613 is 31604062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26040609 + 4 = 5103^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 26040613 - 2²¹ = 23943461 is a prime.

It is a super-2 number, since 2×26040613² = 1356227050831538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26040673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13020306 + 13020307.

It is an arithmetic number, because the mean of its divisors is an integer number (13020307).

Almost surely, 2^26040613 is an apocalyptic number.

It is an amenable number.

26040613 is a deficient number, since it is larger than the sum of its proper divisors (1).

26040613 is an equidigital number, since it uses as much as digits as its factorization.

26040613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 26040613 is about 5103.0003919263. Note that the first 3 decimals coincide. The cubic root of 26040613 is about 296.4037776883.

Adding to 26040613 its reverse (31604062), we get a palindrome (57644675).

The spelling of 26040613 in words is "twenty-six million, forty thousand, six hundred thirteen".