513985351 has 8 divisors (see below), whose sum is σ = 562896144. Its totient is φ = 465438720.

The previous prime is 513985349. The next prime is 513985369. The reversal of 513985351 is 153589315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513985351 - 2¹ = 513985349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513985051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88080 + ... + 93733.

It is an arithmetic number, because the mean of its divisors is an integer number (70362018).

Almost surely, 2^513985351 is an apocalyptic number.

513985351 is a deficient number, since it is larger than the sum of its proper divisors (48910793).

513985351 is a wasteful number, since it uses less digits than its factorization.

513985351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182081.

The product of its digits is 81000, while the sum is 40.

The square root of 513985351 is about 22671.2450253620. The cubic root of 513985351 is about 801.0327033104.

The spelling of 513985351 in words is "five hundred thirteen million, nine hundred eighty-five thousand, three hundred fifty-one".