2097427 has 2 divisors, whose sum is σ = 2097428. Its totient is φ = 2097426.

The previous prime is 2097421. The next prime is 2097449. The reversal of 2097427 is 7247902.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2097427 - 2¹⁹ = 1573139 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 0 + 9² + 7² + 4³ + 2²¹ + 7² .

2097427 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2097421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048713 + 1048714.

It is an arithmetic number, because the mean of its divisors is an integer number (1048714).

2^2097427 is an apocalyptic number.

2097427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097427 is an equidigital number, since it uses as much as digits as its factorization.

2097427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 2097427 is about 1448.2496331779. The cubic root of 2097427 is about 128.0055946448.

The spelling of 2097427 in words is "two million, ninety-seven thousand, four hundred twenty-seven".