513043406 has 16 divisors (see below), whose sum is σ = 808749744. Its totient is φ = 243782784.

The previous prime is 513043403. The next prime is 513043417. The reversal of 513043406 is 604340315.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513043403) 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 7 ways as a sum of consecutive naturals, for example, 77435 + ... + 83798.

It is an arithmetic number, because the mean of its divisors is an integer number (50546859).

Almost surely, 2^513043406 is an apocalyptic number.

513043406 is a deficient number, since it is larger than the sum of its proper divisors (295706338).

513043406 is a wasteful number, since it uses less digits than its factorization.

513043406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161315.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 513043406 is about 22650.4614964022. The cubic root of 513043406 is about 800.5430718827.

The spelling of 513043406 in words is "five hundred thirteen million, forty-three thousand, four hundred six".