206512052 has 12 divisors (see below), whose sum is σ = 361502820. Its totient is φ = 103225536.

The previous prime is 206512043. The next prime is 206512057. The reversal of 206512052 is 250215602.

It can be written as a sum of positive squares in 2 ways, for example, as 197233936 + 9278116 = 14044^2 + 3046^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206512057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15224 + ... + 25392.

It is an arithmetic number, because the mean of its divisors is an integer number (30125235).

Almost surely, 2^206512052 is an apocalyptic number.

It is an amenable number.

206512052 is a deficient number, since it is larger than the sum of its proper divisors (154990768).

206512052 is a wasteful number, since it uses less digits than its factorization.

206512052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15250 (or 15248 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 206512052 is about 14370.5271997933. The cubic root of 206512052 is about 591.0829979165.

Adding to 206512052 its reverse (250215602), we get a palindrome (456727654).

The spelling of 206512052 in words is "two hundred six million, five hundred twelve thousand, fifty-two".