512896745 has 8 divisors (see below), whose sum is σ = 616507200. Its totient is φ = 409630000.

The previous prime is 512896721. The next prime is 512896763. The reversal of 512896745 is 547698215.

It is a happy number.

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

It is not a de Polignac number, because 512896745 - 2¹⁸ = 512634601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 512896745.

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, 82631 + ... + 88620.

It is an arithmetic number, because the mean of its divisors is an integer number (77063400).

Almost surely, 2^512896745 is an apocalyptic number.

It is an amenable number.

512896745 is a deficient number, since it is larger than the sum of its proper divisors (103610455).

512896745 is a wasteful number, since it uses less digits than its factorization.

512896745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171855.

The product of its digits is 604800, while the sum is 47.

The square root of 512896745 is about 22647.2237812938. The cubic root of 512896745 is about 800.4667822774.

The spelling of 512896745 in words is "five hundred twelve million, eight hundred ninety-six thousand, seven hundred forty-five".