513255450323 has 48 divisors (see below), whose sum is σ = 654857178624. Its totient is φ = 397779258240.

The previous prime is 513255450313. The next prime is 513255450329. The reversal of 513255450323 is 323054552315.

It is not a de Polignac number, because 513255450323 - 2⁶ = 513255450259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513255450329) 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 47 ways as a sum of consecutive naturals, for example, 82157186 + ... + 82163432.

It is an arithmetic number, because the mean of its divisors is an integer number (13642857888).

Almost surely, 2^513255450323 is an apocalyptic number.

513255450323 is a deficient number, since it is larger than the sum of its proper divisors (141601728301).

513255450323 is a wasteful number, since it uses less digits than its factorization.

513255450323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072 (or 7065 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 38.

It can be divided in two parts, 5132 and 55450323, that added together give a palindrome (55455455).

The spelling of 513255450323 in words is "five hundred thirteen billion, two hundred fifty-five million, four hundred fifty thousand, three hundred twenty-three".