26055257 has 2 divisors, whose sum is σ = 26055258. Its totient is φ = 26055256.

The previous prime is 26055247. The next prime is 26055299. The reversal of 26055257 is 75255062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13868176 + 12187081 = 3724^2 + 3491^2 .

It is a cyclic number.

It is not a de Polignac number, because 26055257 - 2¹⁰ = 26054233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26055217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13027628 + 13027629.

It is an arithmetic number, because the mean of its divisors is an integer number (13027629).

Almost surely, 2^26055257 is an apocalyptic number.

It is an amenable number.

26055257 is a deficient number, since it is larger than the sum of its proper divisors (1).

26055257 is an equidigital number, since it uses as much as digits as its factorization.

26055257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 26055257 is about 5104.4350324007. The cubic root of 26055257 is about 296.4593283973.

The spelling of 26055257 in words is "twenty-six million, fifty-five thousand, two hundred fifty-seven".