512709349 has 4 divisors (see below), whose sum is σ = 513192736. Its totient is φ = 512225964.

The previous prime is 512709347. The next prime is 512709359. The reversal of 512709349 is 943907215.

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 not a de Polignac number, because 512709349 - 2¹ = 512709347 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 (512709347) 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, 240099 + ... + 242224.

It is an arithmetic number, because the mean of its divisors is an integer number (128298184).

Almost surely, 2^512709349 is an apocalyptic number.

It is an amenable number.

512709349 is a deficient number, since it is larger than the sum of its proper divisors (483387).

512709349 is a wasteful number, since it uses less digits than its factorization.

512709349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483386.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 512709349 is about 22643.0861191667. The cubic root of 512709349 is about 800.3692821163.

The spelling of 512709349 in words is "five hundred twelve million, seven hundred nine thousand, three hundred forty-nine".