503401 has 8 divisors (see below), whose sum is σ = 538560. Its totient is φ = 469392.

The previous prime is 503389. The next prime is 503407. The reversal of 503401 is 104305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 503401 - 2⁵ = 503369 is a prime.

It is a Duffinian number.

503401 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735 + ... + 1243.

It is an arithmetic number, because the mean of its divisors is an integer number (67320).

2⁵⁰³⁴⁰¹ is an apocalyptic number.

It is an amenable number.

503401 is a deficient number, since it is larger than the sum of its proper divisors (35159).

503401 is a wasteful number, since it uses less digits than its factorization.

503401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 503401 is about 709.5075757171. The cubic root of 503401 is about 79.5496044737.

Adding to 503401 its reverse (104305), we get a palindrome (607706).

The spelling of 503401 in words is "five hundred three thousand, four hundred one".