206531052 has 96 divisors (see below), whose sum is σ = 612347904. Its totient is φ = 52704000.

The previous prime is 206531029. The next prime is 206531081. The reversal of 206531052 is 250135602.

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, 30802 + ... + 36902.

It is an arithmetic number, because the mean of its divisors is an integer number (6378624).

Almost surely, 2^206531052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206531052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306173952).

206531052 is an abundant number, since it is smaller than the sum of its proper divisors (405816852).

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

206531052 is a wasteful number, since it uses less digits than its factorization.

206531052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159 (or 6157 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 206531052 is about 14371.1882598482. The cubic root of 206531052 is about 591.1011247562.

Adding to 206531052 its reverse (250135602), we get a palindrome (456666654).

The spelling of 206531052 in words is "two hundred six million, five hundred thirty-one thousand, fifty-two".