512984745 has 160 divisors (see below), whose sum is σ = 1170892800. Its totient is φ = 209018880.

The previous prime is 512984729. The next prime is 512984749. The reversal of 512984745 is 547489215.

512984745 is a `hidden beast` number, since 512 + 98 + 4 + 7 + 45 = 666.

It is not a de Polignac number, because 512984745 - 2⁴ = 512984729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 512984745.

It is not an unprimeable number, because it can be changed into a prime (512984749) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1142281 + ... + 1142729.

It is an arithmetic number, because the mean of its divisors is an integer number (7318080).

Almost surely, 2^512984745 is an apocalyptic number.

It is an amenable number.

512984745 is an abundant number, since it is smaller than the sum of its proper divisors (657908055).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512984745 is a wasteful number, since it uses less digits than its factorization.

512984745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 508 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 512984745 is about 22649.1665409569. The cubic root of 512984745 is about 800.5125595541.

The spelling of 512984745 in words is "five hundred twelve million, nine hundred eighty-four thousand, seven hundred forty-five".