512321303 has 12 divisors (see below), whose sum is σ = 562588848. Its totient is φ = 466240320.

The previous prime is 512321287. The next prime is 512321309. The reversal of 512321303 is 303123215.

It is not a de Polignac number, because 512321303 - 2⁴ = 512321287 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 (512321309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9350 + ... + 33347.

It is an arithmetic number, because the mean of its divisors is an integer number (46882404).

Almost surely, 2^512321303 is an apocalyptic number.

512321303 is a deficient number, since it is larger than the sum of its proper divisors (50267545).

512321303 is a wasteful number, since it uses less digits than its factorization.

512321303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42794 (or 42781 counting only the distinct ones).

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

The square root of 512321303 is about 22634.5157447647. The cubic root of 512321303 is about 800.1673103191.

Adding to 512321303 its reverse (303123215), we get a palindrome (815444518).

The spelling of 512321303 in words is "five hundred twelve million, three hundred twenty-one thousand, three hundred three".