513244522053 has 12 divisors (see below), whose sum is σ = 761389771948. Its totient is φ = 332915365440.

The previous prime is 513244522033. The next prime is 513244522057. The reversal of 513244522053 is 350225442315.

513244522053 is a `hidden beast` number, since 5 + 1 + 3 + 2 + 445 + 2 + 205 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 312667733889 + 200576788164 = 559167^2 + 447858^2 .

It is not a de Polignac number, because 513244522053 - 2²² = 513240327749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 513244521999 and 513244522017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513244522057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 770637088 + ... + 770637753.

Almost surely, 2^513244522053 is an apocalyptic number.

It is an amenable number.

513244522053 is a deficient number, since it is larger than the sum of its proper divisors (248145249895).

513244522053 is a wasteful number, since it uses less digits than its factorization.

513244522053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541274884 (or 1541274881 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 513244522053 its reverse (350225442315), we get a palindrome (863469964368).

The spelling of 513244522053 in words is "five hundred thirteen billion, two hundred forty-four million, five hundred twenty-two thousand, fifty-three".