503640327 has 4 divisors (see below), whose sum is σ = 671520440. Its totient is φ = 335760216.

The previous prime is 503640323. The next prime is 503640349. The reversal of 503640327 is 723046305.

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

It is not a de Polignac number, because 503640327 - 2² = 503640323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503640294 and 503640303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503640323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83940052 + ... + 83940057.

It is an arithmetic number, because the mean of its divisors is an integer number (167880110).

Almost surely, 2^503640327 is an apocalyptic number.

503640327 is a deficient number, since it is larger than the sum of its proper divisors (167880113).

503640327 is a wasteful number, since it uses less digits than its factorization.

503640327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167880112.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 503640327 is about 22441.9323365881. The cubic root of 503640327 is about 795.6220897247.

The spelling of 503640327 in words is "five hundred three million, six hundred forty thousand, three hundred twenty-seven".