26197361 has 2 divisors, whose sum is σ = 26197362. Its totient is φ = 26197360.

The previous prime is 26197351. The next prime is 26197393. The reversal of 26197361 is 16379162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19009600 + 7187761 = 4360^2 + 2681^2 .

It is a cyclic number.

It is not a de Polignac number, because 26197361 - 2¹⁴ = 26180977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26197321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13098680 + 13098681.

It is an arithmetic number, because the mean of its divisors is an integer number (13098681).

Almost surely, 2^26197361 is an apocalyptic number.

It is an amenable number.

26197361 is a deficient number, since it is larger than the sum of its proper divisors (1).

26197361 is an equidigital number, since it uses as much as digits as its factorization.

26197361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 26197361 is about 5118.3357646798. The cubic root of 26197361 is about 296.9973093961.

The spelling of 26197361 in words is "twenty-six million, one hundred ninety-seven thousand, three hundred sixty-one".