2397191 has 2 divisors, whose sum is σ = 2397192. Its totient is φ = 2397190.

The previous prime is 2397181. The next prime is 2397203. The reversal of 2397191 is 1917932.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2397191 - 2⁶ = 2397127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2397151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1198595 + 1198596.

It is an arithmetic number, because the mean of its divisors is an integer number (1198596).

2^2397191 is an apocalyptic number.

2397191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2397191 is an equidigital number, since it uses as much as digits as its factorization.

2397191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 32.

The square root of 2397191 is about 1548.2864722008. The cubic root of 2397191 is about 133.8343352590.

The spelling of 2397191 in words is "two million, three hundred ninety-seven thousand, one hundred ninety-one".