513355310045 has 4 divisors (see below), whose sum is σ = 616026372060. Its totient is φ = 410684248032.

The previous prime is 513355310021. The next prime is 513355310057. The reversal of 513355310045 is 540013553315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 294291060196 + 219064249849 = 542486^2 + 468043^2 .

It is a cyclic number.

It is not a de Polignac number, because 513355310045 - 2⁶ = 513355309981 is a prime.

It is a super-3 number, since 3×513355310045³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 513355309987 and 513355310014.

It is a congruent number.

It is an unprimeable number.

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, 51335531000 + ... + 51335531009.

It is an arithmetic number, because the mean of its divisors is an integer number (154006593015).

Almost surely, 2^513355310045 is an apocalyptic number.

It is an amenable number.

513355310045 is a deficient number, since it is larger than the sum of its proper divisors (102671062015).

513355310045 is a wasteful number, since it uses less digits than its factorization.

513355310045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102671062014.

The product of its (nonzero) digits is 67500, while the sum is 35.

The spelling of 513355310045 in words is "five hundred thirteen billion, three hundred fifty-five million, three hundred ten thousand, forty-five".