503427 has 4 divisors (see below), whose sum is σ = 671240. Its totient is φ = 335616.

The previous prime is 503423. The next prime is 503431. The reversal of 503427 is 724305.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (503423) and next prime (503431).

It is not a de Polignac number, because 503427 - 2² = 503423 is a prime.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 503427.

It is not an unprimeable number, because it can be changed into a prime (503423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83902 + ... + 83907.

It is an arithmetic number, because the mean of its divisors is an integer number (167810).

2⁵⁰³⁴²⁷ is an apocalyptic number.

503427 is a deficient number, since it is larger than the sum of its proper divisors (167813).

503427 is a wasteful number, since it uses less digits than its factorization.

503427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167812.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 503427 is about 709.5258980474. The cubic root of 503427 is about 79.5509739943.

The spelling of 503427 in words is "five hundred three thousand, four hundred twenty-seven".