26286413 has 2 divisors, whose sum is σ = 26286414. Its totient is φ = 26286412.

The previous prime is 26286409. The next prime is 26286427. The reversal of 26286413 is 31468262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26234884 + 51529 = 5122^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 26286413 - 2² = 26286409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26286413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26286313) 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, 13143206 + 13143207.

It is an arithmetic number, because the mean of its divisors is an integer number (13143207).

Almost surely, 2^26286413 is an apocalyptic number.

It is an amenable number.

26286413 is a deficient number, since it is larger than the sum of its proper divisors (1).

26286413 is an equidigital number, since it uses as much as digits as its factorization.

26286413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 26286413 is about 5127.0276964339. The cubic root of 26286413 is about 297.3334538476. Note that the first 3 decimals are identical.

The spelling of 26286413 in words is "twenty-six million, two hundred eighty-six thousand, four hundred thirteen".