26551169 has 2 divisors, whose sum is σ = 26551170. Its totient is φ = 26551168.

The previous prime is 26551157. The next prime is 26551171. The reversal of 26551169 is 96115562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25806400 + 744769 = 5080^2 + 863^2 .

It is a cyclic number.

It is not a de Polignac number, because 26551169 - 2¹⁶ = 26485633 is a prime.

It is a super-2 number, since 2×26551169² = 1409929150533122, which contains 22 as substring.

Together with 26551171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26551139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13275584 + 13275585.

It is an arithmetic number, because the mean of its divisors is an integer number (13275585).

Almost surely, 2^26551169 is an apocalyptic number.

It is an amenable number.

26551169 is a deficient number, since it is larger than the sum of its proper divisors (1).

26551169 is an equidigital number, since it uses as much as digits as its factorization.

26551169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 35.

The square root of 26551169 is about 5152.7826462990. The cubic root of 26551169 is about 298.3283657264.

The spelling of 26551169 in words is "twenty-six million, five hundred fifty-one thousand, one hundred sixty-nine".