503512473 has 4 divisors (see below), whose sum is σ = 671349968. Its totient is φ = 335674980.

The previous prime is 503512469. The next prime is 503512507. The reversal of 503512473 is 374215305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 503512473 - 2² = 503512469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503512473.

It is not an unprimeable number, because it can be changed into a prime (503512403) 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, 83918743 + ... + 83918748.

It is an arithmetic number, because the mean of its divisors is an integer number (167837492).

Almost surely, 2^503512473 is an apocalyptic number.

It is an amenable number.

503512473 is a deficient number, since it is larger than the sum of its proper divisors (167837495).

503512473 is a wasteful number, since it uses less digits than its factorization.

503512473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167837494.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 503512473 is about 22439.0836042830. The cubic root of 503512473 is about 795.5547585558.

Adding to 503512473 its reverse (374215305), we get a palindrome (877727778).

The spelling of 503512473 in words is "five hundred three million, five hundred twelve thousand, four hundred seventy-three".