10243506 has 64 divisors (see below), whose sum is σ = 25659648. Its totient is φ = 2654208.

The previous prime is 10243483. The next prime is 10243507. The reversal of 10243506 is 60534201.

It is a happy number.

10243506 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10243507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39730 + ... + 39986.

It is an arithmetic number, because the mean of its divisors is an integer number (400932).

Almost surely, 2^10243506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10243506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12829824).

10243506 is an abundant number, since it is smaller than the sum of its proper divisors (15416142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10243506 is a wasteful number, since it uses less digits than its factorization.

10243506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 10243506 is about 3200.5477656176. The cubic root of 10243506 is about 217.1781896980.

Adding to 10243506 its reverse (60534201), we get a palindrome (70777707).

The spelling of 10243506 in words is "ten million, two hundred forty-three thousand, five hundred six".