513514315322201 has 4 divisors (see below), whose sum is σ = 521178708088272. Its totient is φ = 505849922556132.

The previous prime is 513514315322143. The next prime is 513514315322209. The reversal of 513514315322201 is 102223513415315.

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 513514315322201 - 2⁶ = 513514315322137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (513514315322209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3832196382935 + ... + 3832196383068.

It is an arithmetic number, because the mean of its divisors is an integer number (130294677022068).

Almost surely, 2^{513514315322201} is an apocalyptic number.

It is an amenable number.

513514315322201 is a deficient number, since it is larger than the sum of its proper divisors (7664392766071).

513514315322201 is an equidigital number, since it uses as much as digits as its factorization.

513514315322201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7664392766070.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 513514315322201 its reverse (102223513415315), we get a palindrome (615737828737516).

The spelling of 513514315322201 in words is "five hundred thirteen trillion, five hundred fourteen billion, three hundred fifteen million, three hundred twenty-two thousand, two hundred one".