513470819 has 4 divisors (see below), whose sum is σ = 516871440. Its totient is φ = 510070200.

The previous prime is 513470813. The next prime is 513470827. The reversal of 513470819 is 918074315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 513470819 - 2⁴ = 513470803 is a prime.

It is a super-2 number, since 2×513470819² = 527304563929061522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513470813) 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 3 ways as a sum of consecutive naturals, for example, 1700084 + ... + 1700385.

It is an arithmetic number, because the mean of its divisors is an integer number (129217860).

Almost surely, 2^513470819 is an apocalyptic number.

513470819 is a deficient number, since it is larger than the sum of its proper divisors (3400621).

513470819 is a wasteful number, since it uses less digits than its factorization.

513470819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400620.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 513470819 is about 22659.8945054914. The cubic root of 513470819 is about 800.7653191872.

The spelling of 513470819 in words is "five hundred thirteen million, four hundred seventy thousand, eight hundred nineteen".