501504522133 has 4 divisors (see below), whose sum is σ = 513736339788. Its totient is φ = 489272704480.

The previous prime is 501504522121. The next prime is 501504522199. The reversal of 501504522133 is 331225405105.

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 116531428689 + 384973093444 = 341367^2 + 620462^2 .

It is a cyclic number.

It is not a de Polignac number, because 501504522133 - 2¹³ = 501504513941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501504522095 and 501504522104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501504562133) 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, 6115908766 + ... + 6115908847.

It is an arithmetic number, because the mean of its divisors is an integer number (128434084947).

Almost surely, 2^501504522133 is an apocalyptic number.

It is an amenable number.

501504522133 is a deficient number, since it is larger than the sum of its proper divisors (12231817655).

501504522133 is a wasteful number, since it uses less digits than its factorization.

501504522133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12231817654.

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

Adding to 501504522133 its reverse (331225405105), we get a palindrome (832729927238).

The spelling of 501504522133 in words is "five hundred one billion, five hundred four million, five hundred twenty-two thousand, one hundred thirty-three".