512543434 has 16 divisors (see below), whose sum is σ = 840315168. Its totient is φ = 233026992.

The previous prime is 512543417. The next prime is 512543459. The reversal of 512543434 is 434345215.

It is a junction number, because it is equal to n+sod(n) for n = 512543396 and 512543405.

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, 145372 + ... + 148855.

It is an arithmetic number, because the mean of its divisors is an integer number (52519698).

Almost surely, 2^512543434 is an apocalyptic number.

512543434 is a deficient number, since it is larger than the sum of its proper divisors (327771734).

512543434 is a wasteful number, since it uses less digits than its factorization.

512543434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294309.

The product of its digits is 28800, while the sum is 31.

The square root of 512543434 is about 22639.4221216002. The cubic root of 512543434 is about 800.2829384622.

Adding to 512543434 its reverse (434345215), we get a palindrome (946888649).

The spelling of 512543434 in words is "five hundred twelve million, five hundred forty-three thousand, four hundred thirty-four".