11563397 has 2 divisors, whose sum is σ = 11563398. Its totient is φ = 11563396.

The previous prime is 11563379. The next prime is 11563423. The reversal of 11563397 is 79336511.

Together with previous prime (11563379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11498881 + 64516 = 3391^2 + 254^2 .

It is a cyclic number.

It is not a de Polignac number, because 11563397 - 2⁶ = 11563333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11563697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5781698 + 5781699.

It is an arithmetic number, because the mean of its divisors is an integer number (5781699).

Almost surely, 2^11563397 is an apocalyptic number.

It is an amenable number.

11563397 is a deficient number, since it is larger than the sum of its proper divisors (1).

11563397 is an equidigital number, since it uses as much as digits as its factorization.

11563397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 35.

The square root of 11563397 is about 3400.4995221291. The cubic root of 11563397 is about 226.1318897588.

The spelling of 11563397 in words is "eleven million, five hundred sixty-three thousand, three hundred ninety-seven".