26610113 has 4 divisors (see below), whose sum is σ = 26630868. Its totient is φ = 26589360.

The previous prime is 26610109. The next prime is 26610119. The reversal of 26610113 is 31101662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31101662 = 2 ⋅15550831.

It can be written as a sum of positive squares in 2 ways, for example, as 24275329 + 2334784 = 4927^2 + 1528^2 .

It is a cyclic number.

It is not a de Polignac number, because 26610113 - 2² = 26610109 is a prime.

It is a super-2 number, since 2×26610113² = 1416196227745538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26610119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8318 + ... + 11063.

It is an arithmetic number, because the mean of its divisors is an integer number (6657717).

Almost surely, 2^26610113 is an apocalyptic number.

It is an amenable number.

26610113 is a deficient number, since it is larger than the sum of its proper divisors (20755).

26610113 is a wasteful number, since it uses less digits than its factorization.

26610113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20754.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 26610113 is about 5158.4991034215. The cubic root of 26610113 is about 298.5489670675.

Adding to 26610113 its reverse (31101662), we get a palindrome (57711775).

The spelling of 26610113 in words is "twenty-six million, six hundred ten thousand, one hundred thirteen".