500225421 has 8 divisors (see below), whose sum is σ = 667960960. Its totient is φ = 332986752.

The previous prime is 500225389. The next prime is 500225471. The reversal of 500225421 is 124522005.

It is a happy number.

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

It is not a de Polignac number, because 500225421 - 2⁵ = 500225389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500225471) 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, 121861 + ... + 125898.

It is an arithmetic number, because the mean of its divisors is an integer number (83495120).

Almost surely, 2^500225421 is an apocalyptic number.

It is an amenable number.

500225421 is a deficient number, since it is larger than the sum of its proper divisors (167735539).

500225421 is a wasteful number, since it uses less digits than its factorization.

500225421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248435.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 500225421 is about 22365.7197737967. The cubic root of 500225421 is about 793.8197859076.

Adding to 500225421 its reverse (124522005), we get a palindrome (624747426).

The spelling of 500225421 in words is "five hundred million, two hundred twenty-five thousand, four hundred twenty-one".