2097539 has 2 divisors, whose sum is σ = 2097540. Its totient is φ = 2097538.

The previous prime is 2097533. The next prime is 2097559. The reversal of 2097539 is 9357902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2097539 - 2⁴ = 2097523 is a prime.

It is a super-3 number, since 3×2097539³ = 27685437333531605457, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 0 + 9 + 7² + 5 + 3⁵ + 9² .

It is a junction number, because it is equal to n+sod(n) for n = 2097499 and 2097508.

It is not a weakly prime, because it can be changed into another prime (2097533) 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, 1048769 + 1048770.

It is an arithmetic number, because the mean of its divisors is an integer number (1048770).

2^2097539 is an apocalyptic number.

2097539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097539 is an equidigital number, since it uses as much as digits as its factorization.

2097539 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2097539 is about 1448.2883000287. The cubic root of 2097539 is about 128.0078730509.

The spelling of 2097539 in words is "two million, ninety-seven thousand, five hundred thirty-nine".