512205442 has 8 divisors (see below), whose sum is σ = 878066496. Its totient is φ = 219516612.

The previous prime is 512205437. The next prime is 512205479. The reversal of 512205442 is 244502215.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18293038 + ... + 18293065.

It is an arithmetic number, because the mean of its divisors is an integer number (109758312).

Almost surely, 2^512205442 is an apocalyptic number.

512205442 is a deficient number, since it is larger than the sum of its proper divisors (365861054).

512205442 is a wasteful number, since it uses less digits than its factorization.

512205442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36586112.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 512205442 is about 22631.9562124002. The cubic root of 512205442 is about 800.1069867333.

Adding to 512205442 its reverse (244502215), we get a palindrome (756707657).

The spelling of 512205442 in words is "five hundred twelve million, two hundred five thousand, four hundred forty-two".