26100881 has 2 divisors, whose sum is σ = 26100882. Its totient is φ = 26100880.

The previous prime is 26100869. The next prime is 26100917. The reversal of 26100881 is 18800162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23193856 + 2907025 = 4816^2 + 1705^2 .

It is a cyclic number.

It is not a de Polignac number, because 26100881 - 2¹⁸ = 25838737 is a prime.

It is a super-2 number, since 2×26100881² = 1362511977952322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26100881.

It is not a weakly prime, because it can be changed into another prime (26100821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13050440 + 13050441.

It is an arithmetic number, because the mean of its divisors is an integer number (13050441).

Almost surely, 2^26100881 is an apocalyptic number.

It is an amenable number.

26100881 is a deficient number, since it is larger than the sum of its proper divisors (1).

26100881 is an equidigital number, since it uses as much as digits as its factorization.

26100881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 26100881 is about 5108.9021325526. The cubic root of 26100881 is about 296.6322656459.

The spelling of 26100881 in words is "twenty-six million, one hundred thousand, eight hundred eighty-one".