513727241 has 8 divisors (see below), whose sum is σ = 537089280. Its totient is φ = 491379636.

The previous prime is 513727231. The next prime is 513727243. The reversal of 513727241 is 142727315.

It is a de Polignac number, because none of the positive numbers 2^k-513727241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513727198 and 513727207.

It is not an unprimeable number, because it can be changed into a prime (513727243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8945 + ... + 33278.

It is an arithmetic number, because the mean of its divisors is an integer number (67136160).

Almost surely, 2^513727241 is an apocalyptic number.

It is an amenable number.

513727241 is a deficient number, since it is larger than the sum of its proper divisors (23362039).

513727241 is an frugal number, since it uses more digits than its factorization.

513727241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42292 (or 42246 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 513727241 is about 22665.5518573892. The cubic root of 513727241 is about 800.8985949684.

The spelling of 513727241 in words is "five hundred thirteen million, seven hundred twenty-seven thousand, two hundred forty-one".