10243539 has 6 divisors (see below), whose sum is σ = 14796236. Its totient is φ = 6829020.

The previous prime is 10243531. The next prime is 10243543. The reversal of 10243539 is 93534201.

It is not a de Polignac number, because 10243539 - 2³ = 10243531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10243531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 569077 + ... + 569094.

Almost surely, 2^10243539 is an apocalyptic number.

10243539 is a deficient number, since it is larger than the sum of its proper divisors (4552697).

10243539 is a wasteful number, since it uses less digits than its factorization.

10243539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138177 (or 1138174 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 10243539 is about 3200.5529209810. The cubic root of 10243539 is about 217.1784229148.

The spelling of 10243539 in words is "ten million, two hundred forty-three thousand, five hundred thirty-nine".