2039243 has 2 divisors, whose sum is σ = 2039244. Its totient is φ = 2039242.

The previous prime is 2039221. The next prime is 2039263. The reversal of 2039243 is 3429302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2039243 - 2⁶ = 2039179 is a prime.

It is equal to p₁₅₁₆₅₅ and since 2039243 and 151655 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 (2039263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1019621 + 1019622.

It is an arithmetic number, because the mean of its divisors is an integer number (1019622).

2^2039243 is an apocalyptic number.

2039243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2039243 is an equidigital number, since it uses as much as digits as its factorization.

2039243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2039243 is about 1428.0206581139. The cubic root of 2039243 is about 126.8108246389.

The spelling of 2039243 in words is "two million, thirty-nine thousand, two hundred forty-three".