505532403523 has 6 divisors (see below), whose sum is σ = 588068306196. Its totient is φ = 433313488692.

The previous prime is 505532403443. The next prime is 505532403529. The reversal of 505532403523 is 325304235505.

It is not a de Polignac number, because 505532403523 - 2¹³ = 505532395331 is a prime.

It is a super-2 number, since 2×505532403523² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505532403529) 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 5 ways as a sum of consecutive naturals, for example, 5158493865 + ... + 5158493962.

It is an arithmetic number, because the mean of its divisors is an integer number (98011384366).

Almost surely, 2^505532403523 is an apocalyptic number.

505532403523 is a deficient number, since it is larger than the sum of its proper divisors (82535902673).

505532403523 is a wasteful number, since it uses less digits than its factorization.

505532403523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10316987841 (or 10316987834 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 37.

The spelling of 505532403523 in words is "five hundred five billion, five hundred thirty-two million, four hundred three thousand, five hundred twenty-three".