11290297 has 2 divisors, whose sum is σ = 11290298. Its totient is φ = 11290296.

The previous prime is 11290289. The next prime is 11290303. The reversal of 11290297 is 79209211.

11290297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11148921 + 141376 = 3339^2 + 376^2 .

It is a cyclic number.

It is not a de Polignac number, because 11290297 - 2³ = 11290289 is a prime.

It is not a weakly prime, because it can be changed into another prime (11290247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5645148 + 5645149.

It is an arithmetic number, because the mean of its divisors is an integer number (5645149).

Almost surely, 2^11290297 is an apocalyptic number.

It is an amenable number.

11290297 is a deficient number, since it is larger than the sum of its proper divisors (1).

11290297 is an equidigital number, since it uses as much as digits as its factorization.

11290297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 11290297 is about 3360.1037186373. The cubic root of 11290297 is about 224.3374550712.

It can be divided in two parts, 112 and 90297, that added together give a palindrome (90409).

The spelling of 11290297 in words is "eleven million, two hundred ninety thousand, two hundred ninety-seven".