512830745 has 8 divisors (see below), whose sum is σ = 703310784. Its totient is φ = 351655344.

The previous prime is 512830723. The next prime is 512830807. The reversal of 512830745 is 547038215.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 512830745 - 2¹⁰ = 512829721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 14652307 = 512830745 / (5 + 1 + 2 + 8 + 3 + 0 + 7 + 4 + 5).

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7326119 + ... + 7326188.

It is an arithmetic number, because the mean of its divisors is an integer number (87913848).

Almost surely, 2^512830745 is an apocalyptic number.

It is an amenable number.

512830745 is a deficient number, since it is larger than the sum of its proper divisors (190480039).

512830745 is a wasteful number, since it uses less digits than its factorization.

512830745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14652319.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 512830745 is about 22645.7666021709. The cubic root of 512830745 is about 800.4324458836.

The spelling of 512830745 in words is "five hundred twelve million, eight hundred thirty thousand, seven hundred forty-five".