26112197 has 4 divisors (see below), whose sum is σ = 26144160. Its totient is φ = 26080236.

The previous prime is 26112181. The next prime is 26112211. The reversal of 26112197 is 79121162.

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 a cyclic number.

It is not a de Polignac number, because 26112197 - 2⁴ = 26112181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26112157) 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, 14723 + ... + 16400.

It is an arithmetic number, because the mean of its divisors is an integer number (6536040).

Almost surely, 2^26112197 is an apocalyptic number.

It is an amenable number.

26112197 is a deficient number, since it is larger than the sum of its proper divisors (31963).

26112197 is an equidigital number, since it uses as much as digits as its factorization.

26112197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31962.

The product of its digits is 1512, while the sum is 29.

The square root of 26112197 is about 5110.0094911849. The cubic root of 26112197 is about 296.6751276185.

The spelling of 26112197 in words is "twenty-six million, one hundred twelve thousand, one hundred ninety-seven".