500401 has 4 divisors (see below), whose sum is σ = 545904. Its totient is φ = 454900.

The previous prime is 500393. The next prime is 500413. The reversal of 500401 is 104005.

500401 is nontrivially palindromic in base 14.

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 a cyclic number.

It is not a de Polignac number, because 500401 - 2³ = 500393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500431) 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, 22735 + ... + 22756.

It is an arithmetic number, because the mean of its divisors is an integer number (136476).

2⁵⁰⁰⁴⁰¹ is an apocalyptic number.

It is an amenable number.

500401 is a deficient number, since it is larger than the sum of its proper divisors (45503).

500401 is a wasteful number, since it uses less digits than its factorization.

500401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45502.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 500401 is about 707.3902741769. The cubic root of 500401 is about 79.3912651893.

Adding to 500401 its reverse (104005), we get a palindrome (604406).

The spelling of 500401 in words is "five hundred thousand, four hundred one".