513230243053 has 4 divisors (see below), whose sum is σ = 559887537888. Its totient is φ = 466572948220.

The previous prime is 513230243041. The next prime is 513230243059. The reversal of 513230243053 is 350342032315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 513230243053 - 2²⁹ = 512693372141 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 (513230243059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23328647401 + ... + 23328647422.

It is an arithmetic number, because the mean of its divisors is an integer number (139971884472).

Almost surely, 2^513230243053 is an apocalyptic number.

It is an amenable number.

513230243053 is a deficient number, since it is larger than the sum of its proper divisors (46657294835).

513230243053 is a wasteful number, since it uses less digits than its factorization.

513230243053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46657294834.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 513230243053 its reverse (350342032315), we get a palindrome (863572275368).

The spelling of 513230243053 in words is "five hundred thirteen billion, two hundred thirty million, two hundred forty-three thousand, fifty-three".