512790317 has 8 divisors (see below), whose sum is σ = 562656024. Its totient is φ = 464413248.

The previous prime is 512790287. The next prime is 512790319. The reversal of 512790317 is 713097215.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2979076 + 509811241 = 1726^2 + 22579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 512790317 - 2¹⁰ = 512789293 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 (512790319) 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, 371438 + ... + 372815.

It is an arithmetic number, because the mean of its divisors is an integer number (70332003).

Almost surely, 2^512790317 is an apocalyptic number.

It is an amenable number.

512790317 is a deficient number, since it is larger than the sum of its proper divisors (49865707).

512790317 is a wasteful number, since it uses less digits than its factorization.

512790317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744319.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 512790317 is about 22644.8739674126. The cubic root of 512790317 is about 800.4114118266.

The spelling of 512790317 in words is "five hundred twelve million, seven hundred ninety thousand, three hundred seventeen".