26068397 has 2 divisors, whose sum is σ = 26068398. Its totient is φ = 26068396.

The previous prime is 26068369. The next prime is 26068423. The reversal of 26068397 is 79386062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20241001 + 5827396 = 4499^2 + 2414^2 .

It is a cyclic number.

It is not a de Polignac number, because 26068397 - 2¹⁶ = 26002861 is a prime.

It is a super-2 number, since 2×26068397² = 1359122644299218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26068897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13034198 + 13034199.

It is an arithmetic number, because the mean of its divisors is an integer number (13034199).

Almost surely, 2^26068397 is an apocalyptic number.

It is an amenable number.

26068397 is a deficient number, since it is larger than the sum of its proper divisors (1).

26068397 is an equidigital number, since it uses as much as digits as its factorization.

26068397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 26068397 is about 5105.7219861642. The cubic root of 26068397 is about 296.5091561014.

The spelling of 26068397 in words is "twenty-six million, sixty-eight thousand, three hundred ninety-seven".