2397091 has 2 divisors, whose sum is σ = 2397092. Its totient is φ = 2397090.

The previous prime is 2397077. The next prime is 2397103. The reversal of 2397091 is 1907932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2397091 - 2¹³ = 2388899 is a prime.

It is a Chen prime.

It is equal to p₁₇₆₀₈₉ and since 2397091 and 176089 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2397001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1198545 + 1198546.

It is an arithmetic number, because the mean of its divisors is an integer number (1198546).

2^2397091 is an apocalyptic number.

2397091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2397091 is an equidigital number, since it uses as much as digits as its factorization.

2397091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 2397091 is about 1548.2541780987. The cubic root of 2397091 is about 133.8324742448.

The spelling of 2397091 in words is "two million, three hundred ninety-seven thousand, ninety-one".