26113391 has 8 divisors (see below), whose sum is σ = 27558000. Its totient is φ = 24675840.

The previous prime is 26113387. The next prime is 26113393. The reversal of 26113391 is 19331162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26113391 - 2² = 26113387 is a prime.

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 26113391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26113393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7001 + ... + 10061.

It is an arithmetic number, because the mean of its divisors is an integer number (3444750).

Almost surely, 2^26113391 is an apocalyptic number.

26113391 is a deficient number, since it is larger than the sum of its proper divisors (1444609).

26113391 is a wasteful number, since it uses less digits than its factorization.

26113391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529.

The product of its digits is 972, while the sum is 26.

The square root of 26113391 is about 5110.1263193780. The cubic root of 26113391 is about 296.6796494480.

The spelling of 26113391 in words is "twenty-six million, one hundred thirteen thousand, three hundred ninety-one".