505203534133 has 4 divisors (see below), whose sum is σ = 534921389100. Its totient is φ = 475485679168.

The previous prime is 505203534131. The next prime is 505203534137. The reversal of 505203534133 is 331435302505.

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 439758638449 + 65444895684 = 663143^2 + 255822^2 .

It is a cyclic number.

It is not a de Polignac number, because 505203534133 - 2¹ = 505203534131 is a prime.

It is a super-2 number, since 2×505203534133² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505203534131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14858927458 + ... + 14858927491.

It is an arithmetic number, because the mean of its divisors is an integer number (133730347275).

Almost surely, 2^505203534133 is an apocalyptic number.

It is an amenable number.

505203534133 is a deficient number, since it is larger than the sum of its proper divisors (29717854967).

505203534133 is a wasteful number, since it uses less digits than its factorization.

505203534133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29717854966.

The product of its (nonzero) digits is 81000, while the sum is 34.

Adding to 505203534133 its reverse (331435302505), we get a palindrome (836638836638).

The spelling of 505203534133 in words is "five hundred five billion, two hundred three million, five hundred thirty-four thousand, one hundred thirty-three".