513285313927 has 4 divisors (see below), whose sum is σ = 513289722736. Its totient is φ = 513280905120.

The previous prime is 513285313921. The next prime is 513285313967. The reversal of 513285313927 is 729313582315.

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

It is a cyclic number.

It is not a de Polignac number, because 513285313927 - 2⁷ = 513285313799 is a prime.

It is a super-2 number, since 2×513285313927² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513285313921) 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, 2024898 + ... + 2264239.

It is an arithmetic number, because the mean of its divisors is an integer number (128322430684).

Almost surely, 2^513285313927 is an apocalyptic number.

513285313927 is a deficient number, since it is larger than the sum of its proper divisors (4408809).

513285313927 is a wasteful number, since it uses less digits than its factorization.

513285313927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408808.

The product of its digits is 1360800, while the sum is 49.

The spelling of 513285313927 in words is "five hundred thirteen billion, two hundred eighty-five million, three hundred thirteen thousand, nine hundred twenty-seven".