26968297 has 2 divisors, whose sum is σ = 26968298. Its totient is φ = 26968296.

The previous prime is 26968243. The next prime is 26968303. The reversal of 26968297 is 79286962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26666896 + 301401 = 5164^2 + 549^2 .

It is a cyclic number.

It is not a de Polignac number, because 26968297 - 2⁷ = 26968169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26968297.

It is not a weakly prime, because it can be changed into another prime (26968217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13484148 + 13484149.

It is an arithmetic number, because the mean of its divisors is an integer number (13484149).

Almost surely, 2^26968297 is an apocalyptic number.

It is an amenable number.

26968297 is a deficient number, since it is larger than the sum of its proper divisors (1).

26968297 is an equidigital number, since it uses as much as digits as its factorization.

26968297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The square root of 26968297 is about 5193.1009040842. The cubic root of 26968297 is about 299.8825354945.

The spelling of 26968297 in words is "twenty-six million, nine hundred sixty-eight thousand, two hundred ninety-seven".