513631346325 has 12 divisors (see below), whose sum is σ = 849203826048. Its totient is φ = 273936718000.

The previous prime is 513631346311. The next prime is 513631346339. The reversal of 513631346325 is 523643136315.

It is an interprime number because it is at equal distance from previous prime (513631346311) and next prime (513631346339).

It is not a de Polignac number, because 513631346325 - 2¹¹ = 513631344277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3424208901 + ... + 3424209050.

It is an arithmetic number, because the mean of its divisors is an integer number (70766985504).

Almost surely, 2^513631346325 is an apocalyptic number.

It is an amenable number.

513631346325 is a deficient number, since it is larger than the sum of its proper divisors (335572479723).

513631346325 is a wasteful number, since it uses less digits than its factorization.

513631346325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6848417964 (or 6848417959 counting only the distinct ones).

The product of its digits is 583200, while the sum is 42.

The spelling of 513631346325 in words is "five hundred thirteen billion, six hundred thirty-one million, three hundred forty-six thousand, three hundred twenty-five".