513886349 has 4 divisors (see below), whose sum is σ = 530463360. Its totient is φ = 497309340.

The previous prime is 513886327. The next prime is 513886361. The reversal of 513886349 is 943688315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513886349 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 (513880349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8288459 + ... + 8288520.

It is an arithmetic number, because the mean of its divisors is an integer number (132615840).

Almost surely, 2^513886349 is an apocalyptic number.

It is an amenable number.

513886349 is a deficient number, since it is larger than the sum of its proper divisors (16577011).

513886349 is a wasteful number, since it uses less digits than its factorization.

513886349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16577010.

The product of its digits is 622080, while the sum is 47.

The square root of 513886349 is about 22669.0614935864. The cubic root of 513886349 is about 800.9812693335.

The spelling of 513886349 in words is "five hundred thirteen million, eight hundred eighty-six thousand, three hundred forty-nine".