10206534 has 64 divisors (see below), whose sum is σ = 23708160. Its totient is φ = 2903040.

The previous prime is 10206529. The next prime is 10206541. The reversal of 10206534 is 43560201.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10206534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105174 + ... + 105270.

It is an arithmetic number, because the mean of its divisors is an integer number (370440).

Almost surely, 2^10206534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10206534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11854080).

10206534 is an abundant number, since it is smaller than the sum of its proper divisors (13501626).

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

10206534 is a wasteful number, since it uses less digits than its factorization.

10206534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205.

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

The square root of 10206534 is about 3194.7666581458. The cubic root of 10206534 is about 216.9165868255.

Adding to 10206534 its reverse (43560201), we get a palindrome (53766735).

The spelling of 10206534 in words is "ten million, two hundred six thousand, five hundred thirty-four".