512242303 has 4 divisors (see below), whose sum is σ = 514132768. Its totient is φ = 510351840.

The previous prime is 512242301. The next prime is 512242309. The reversal of 512242303 is 303242215.

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 512242303 - 2¹ = 512242301 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 (512242301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944826 + ... + 945367.

It is an arithmetic number, because the mean of its divisors is an integer number (128533192).

Almost surely, 2^512242303 is an apocalyptic number.

512242303 is a deficient number, since it is larger than the sum of its proper divisors (1890465).

512242303 is a wasteful number, since it uses less digits than its factorization.

512242303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890464.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 512242303 is about 22632.7705551044. The cubic root of 512242303 is about 800.1261795765.

Adding to 512242303 its reverse (303242215), we get a palindrome (815484518).

The spelling of 512242303 in words is "five hundred twelve million, two hundred forty-two thousand, three hundred three".