500325105300421 has 4 divisors (see below), whose sum is σ = 505483096076812. Its totient is φ = 495167114524032.

The previous prime is 500325105300379. The next prime is 500325105300457. The reversal of 500325105300421 is 124003501523005.

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

It can be written as a sum of positive squares in 2 ways, for example, as 202246226968900 + 298078878331521 = 14221330^2 + 17264961^2 .

It is a cyclic number.

It is not a de Polignac number, because 500325105300421 - 2⁴¹ = 498126082044869 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 (500325105300721) 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, 2578995388050 + ... + 2578995388243.

It is an arithmetic number, because the mean of its divisors is an integer number (126370774019203).

Almost surely, 2^{500325105300421} is an apocalyptic number.

It is an amenable number.

500325105300421 is a deficient number, since it is larger than the sum of its proper divisors (5157990776391).

500325105300421 is an equidigital number, since it uses as much as digits as its factorization.

500325105300421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157990776390.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 500325105300421 its reverse (124003501523005), we get a palindrome (624328606823426).

The spelling of 500325105300421 in words is "five hundred trillion, three hundred twenty-five billion, one hundred five million, three hundred thousand, four hundred twenty-one".