26411381 has 4 divisors (see below), whose sum is σ = 26465664. Its totient is φ = 26357100.

The previous prime is 26411369. The next prime is 26411393. The reversal of 26411381 is 18311462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (26411369) and next prime (26411393).

It is a cyclic number.

It is not a de Polignac number, because 26411381 - 2⁶ = 26411317 is a prime.

It is a super-2 number, since 2×26411381² = 1395122092654322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26411381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26411351) 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 in 3 ways as a sum of consecutive naturals, for example, 26405 + ... + 27386.

It is an arithmetic number, because the mean of its divisors is an integer number (6616416).

Almost surely, 2^26411381 is an apocalyptic number.

It is an amenable number.

26411381 is a deficient number, since it is larger than the sum of its proper divisors (54283).

26411381 is an equidigital number, since it uses as much as digits as its factorization.

26411381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54282.

The product of its digits is 1152, while the sum is 26.

The square root of 26411381 is about 5139.2004241905. The cubic root of 26411381 is about 297.8038925648.

The spelling of 26411381 in words is "twenty-six million, four hundred eleven thousand, three hundred eighty-one".