513322103 has 4 divisors (see below), whose sum is σ = 586653840. Its totient is φ = 439990368.

The previous prime is 513322039. The next prime is 513322129. The reversal of 513322103 is 301223315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 513322103 - 2⁶ = 513322039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513322133) 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 3 ways as a sum of consecutive naturals, for example, 36665858 + ... + 36665871.

It is an arithmetic number, because the mean of its divisors is an integer number (146663460).

Almost surely, 2^513322103 is an apocalyptic number.

513322103 is a deficient number, since it is larger than the sum of its proper divisors (73331737).

513322103 is an equidigital number, since it uses as much as digits as its factorization.

513322103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73331736.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 513322103 is about 22656.6127874402. The cubic root of 513322103 is about 800.6880034569.

Adding to 513322103 its reverse (301223315), we get a palindrome (814545418).

It can be divided in two parts, 51332 and 2103, that added together give a palindrome (53435).

The spelling of 513322103 in words is "five hundred thirteen million, three hundred twenty-two thousand, one hundred three".