513201505240209 has 4 divisors (see below), whose sum is σ = 684268673653616. Its totient is φ = 342134336826804.

The previous prime is 513201505240189. The next prime is 513201505240223. The reversal of 513201505240209 is 902042505102315.

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 not a de Polignac number, because 513201505240209 - 2²⁷ = 513201371022481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513201505240009) 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, 85533584206699 + ... + 85533584206704.

It is an arithmetic number, because the mean of its divisors is an integer number (171067168413404).

Almost surely, 2^{513201505240209} is an apocalyptic number.

It is an amenable number.

513201505240209 is a deficient number, since it is larger than the sum of its proper divisors (171067168413407).

513201505240209 is a wasteful number, since it uses less digits than its factorization.

513201505240209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171067168413406.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 513201505240209 in words is "five hundred thirteen trillion, two hundred one billion, five hundred five million, two hundred forty thousand, two hundred nine".