512394045 has 32 divisors (see below), whose sum is σ = 828102528. Its totient is φ = 270536448.

The previous prime is 512394041. The next prime is 512394107. The reversal of 512394045 is 540493215.

It is not a de Polignac number, because 512394045 - 2² = 512394041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 512393997 and 512394015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512394041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 936462 + ... + 937008.

It is an arithmetic number, because the mean of its divisors is an integer number (25878204).

Almost surely, 2^512394045 is an apocalyptic number.

It is an amenable number.

512394045 is a deficient number, since it is larger than the sum of its proper divisors (315708483).

512394045 is a wasteful number, since it uses less digits than its factorization.

512394045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 512394045 is about 22636.1225699102. The cubic root of 512394045 is about 800.2051791432.

The spelling of 512394045 in words is "five hundred twelve million, three hundred ninety-four thousand, forty-five".