26297057 has 2 divisors, whose sum is σ = 26297058. Its totient is φ = 26297056.

The previous prime is 26297053. The next prime is 26297059. The reversal of 26297057 is 75079262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20802721 + 5494336 = 4561^2 + 2344^2 .

It is a cyclic number.

It is not a de Polignac number, because 26297057 - 2² = 26297053 is a prime.

It is a super-2 number, since 2×26297057² = 1383070413722498, which contains 22 as substring.

Together with 26297059, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26297057.

It is not a weakly prime, because it can be changed into another prime (26297053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13148528 + 13148529.

It is an arithmetic number, because the mean of its divisors is an integer number (13148529).

Almost surely, 2^26297057 is an apocalyptic number.

It is an amenable number.

26297057 is a deficient number, since it is larger than the sum of its proper divisors (1).

26297057 is an equidigital number, since it uses as much as digits as its factorization.

26297057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 26297057 is about 5128.0656197050. The cubic root of 26297057 is about 297.3735809176.

The spelling of 26297057 in words is "twenty-six million, two hundred ninety-seven thousand, fifty-seven".