513040206 has 32 divisors (see below), whose sum is σ = 1184283648. Its totient is φ = 145130400.

The previous prime is 513040183. The next prime is 513040207. The reversal of 513040206 is 602040315.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513040207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56230 + ... + 64713.

It is an arithmetic number, because the mean of its divisors is an integer number (37008864).

Almost surely, 2^513040206 is an apocalyptic number.

513040206 is an abundant number, since it is smaller than the sum of its proper divisors (671243442).

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

513040206 is a wasteful number, since it uses less digits than its factorization.

513040206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121056.

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

The square root of 513040206 is about 22650.3908575548. The cubic root of 513040206 is about 800.5414074731.

The spelling of 513040206 in words is "five hundred thirteen million, forty thousand, two hundred six".