11451197 has 2 divisors, whose sum is σ = 11451198. Its totient is φ = 11451196.

The previous prime is 11451191. The next prime is 11451199. The reversal of 11451197 is 79115411.

11451197 is digitally balanced in base 3, 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., 6832996 + 4618201 = 2614^2 + 2149^2 .

It is a cyclic number.

It is not a de Polignac number, because 11451197 - 2¹⁸ = 11189053 is a prime.

It is a super-2 number, since 2×11451197² = 262259825465618, which contains 22 as substring.

Together with 11451199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11451191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5725598 + 5725599.

It is an arithmetic number, because the mean of its divisors is an integer number (5725599).

Almost surely, 2^11451197 is an apocalyptic number.

It is an amenable number.

11451197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11451197 is an equidigital number, since it uses as much as digits as its factorization.

11451197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 29.

The square root of 11451197 is about 3383.9617314621. The cubic root of 11451197 is about 225.3981231146.

The spelling of 11451197 in words is "eleven million, four hundred fifty-one thousand, one hundred ninety-seven".