206513034 has 32 divisors (see below), whose sum is σ = 508341120. Its totient is φ = 54464832.

The previous prime is 206513029. The next prime is 206513051. The reversal of 206513034 is 430315602.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 206512995 and 206513013.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 188569 + ... + 189660.

It is an arithmetic number, because the mean of its divisors is an integer number (15885660).

Almost surely, 2^206513034 is an apocalyptic number.

206513034 is an abundant number, since it is smaller than the sum of its proper divisors (301828086).

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

206513034 is a wasteful number, since it uses less digits than its factorization.

206513034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378254.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 206513034 is about 14370.5613669056. The cubic root of 206513034 is about 591.0839348152.

Adding to 206513034 its reverse (430315602), we get a palindrome (636828636).

The spelling of 206513034 in words is "two hundred six million, five hundred thirteen thousand, thirty-four".