26422613 has 6 divisors (see below), whose sum is σ = 30736566. Its totient is φ = 22647912.

The previous prime is 26422609. The next prime is 26422621. The reversal of 26422613 is 31622462.

It can be written as a sum of positive squares in only one way, i.e., 23261329 + 3161284 = 4823^2 + 1778^2 .

It is not a de Polignac number, because 26422613 - 2² = 26422609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26422603) 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 in 5 ways as a sum of consecutive naturals, for example, 269570 + ... + 269667.

It is an arithmetic number, because the mean of its divisors is an integer number (5122761).

Almost surely, 2^26422613 is an apocalyptic number.

It is an amenable number.

26422613 is a deficient number, since it is larger than the sum of its proper divisors (4313953).

26422613 is an equidigital number, since it uses as much as digits as its factorization.

26422613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539251 (or 539244 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 26422613 is about 5140.2930850293. The cubic root of 26422613 is about 297.8461023892.

The spelling of 26422613 in words is "twenty-six million, four hundred twenty-two thousand, six hundred thirteen".