26140417 has 4 divisors (see below), whose sum is σ = 26204740. Its totient is φ = 26076096.

The previous prime is 26140399. The next prime is 26140423. The reversal of 26140417 is 71404162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71404162 = 2 ⋅35702081.

It can be written as a sum of positive squares in 2 ways, for example, as 20034576 + 6105841 = 4476^2 + 2471^2 .

It is a cyclic number.

It is not a de Polignac number, because 26140417 - 2¹⁵ = 26107649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26140391 and 26140400.

It is not an unprimeable number, because it can be changed into a prime (26140487) 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 3 ways as a sum of consecutive naturals, for example, 31548 + ... + 32365.

It is an arithmetic number, because the mean of its divisors is an integer number (6551185).

Almost surely, 2^26140417 is an apocalyptic number.

It is an amenable number.

26140417 is a deficient number, since it is larger than the sum of its proper divisors (64323).

26140417 is an equidigital number, since it uses as much as digits as its factorization.

26140417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64322.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 26140417 is about 5112.7699928708. The cubic root of 26140417 is about 296.7819634894.

Adding to 26140417 its reverse (71404162), we get a palindrome (97544579).

The spelling of 26140417 in words is "twenty-six million, one hundred forty thousand, four hundred seventeen".