10206243 has 24 divisors (see below), whose sum is σ = 15481648. Its totient is φ = 6718464.

The previous prime is 10206199. The next prime is 10206257. The reversal of 10206243 is 34260201.

It is a happy number.

It is not a de Polignac number, because 10206243 - 2⁹ = 10205731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10206283) 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 23 ways as a sum of consecutive naturals, for example, 23355 + ... + 23787.

Almost surely, 2^10206243 is an apocalyptic number.

10206243 is a deficient number, since it is larger than the sum of its proper divisors (5275405).

10206243 is an frugal number, since it uses more digits than its factorization.

10206243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 10206243 is about 3194.7211145889. The cubic root of 10206243 is about 216.9145252923.

Adding to 10206243 its reverse (34260201), we get a palindrome (44466444).

The spelling of 10206243 in words is "ten million, two hundred six thousand, two hundred forty-three".