500901 has 4 divisors (see below), whose sum is σ = 667872. Its totient is φ = 333932.

The previous prime is 500891. The next prime is 500909. The reversal of 500901 is 109005.

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 500901 - 2⁹ = 500389 is a prime.

It is a D-number.

500901 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500909) 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, 83481 + ... + 83486.

It is an arithmetic number, because the mean of its divisors is an integer number (166968).

2⁵⁰⁰⁹⁰¹ is an apocalyptic number.

It is an amenable number.

500901 is a deficient number, since it is larger than the sum of its proper divisors (166971).

500901 is a wasteful number, since it uses less digits than its factorization.

500901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166970.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 500901 is about 707.7435976397. The cubic root of 500901 is about 79.4176989352.

Adding to 500901 its reverse (109005), we get a palindrome (609906).

The spelling of 500901 in words is "five hundred thousand, nine hundred one".