513551103 has 8 divisors (see below), whose sum is σ = 737406768. Its totient is φ = 316031424.

The previous prime is 513551069. The next prime is 513551123. The reversal of 513551103 is 301155315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513551103 - 2⁶ = 513551039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513551123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6583950 + ... + 6584027.

It is an arithmetic number, because the mean of its divisors is an integer number (92175846).

Almost surely, 2^513551103 is an apocalyptic number.

513551103 is a deficient number, since it is larger than the sum of its proper divisors (223855665).

513551103 is a wasteful number, since it uses less digits than its factorization.

513551103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13167993.

The product of its (nonzero) digits is 1125, while the sum is 24.

The square root of 513551103 is about 22661.6659361133. The cubic root of 513551103 is about 800.8070517065.

The spelling of 513551103 in words is "five hundred thirteen million, five hundred fifty-one thousand, one hundred three".