513500349 has 8 divisors (see below), whose sum is σ = 686214432. Its totient is φ = 341559920.

The previous prime is 513500347. The next prime is 513500353. The reversal of 513500349 is 943005315.

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 513500349 - 2¹ = 513500347 is a prime.

It is a super-3 number, since 3×513500349³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513500341) 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, 191862 + ... + 194519.

It is an arithmetic number, because the mean of its divisors is an integer number (85776804).

Almost surely, 2^513500349 is an apocalyptic number.

It is an amenable number.

513500349 is a deficient number, since it is larger than the sum of its proper divisors (172714083).

513500349 is a wasteful number, since it uses less digits than its factorization.

513500349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386827.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 513500349 is about 22660.5460878594. The cubic root of 513500349 is about 800.7806697165.

The spelling of 513500349 in words is "five hundred thirteen million, five hundred thousand, three hundred forty-nine".