512315422 has 8 divisors (see below), whose sum is σ = 768578976. Its totient is φ = 256122432.

The previous prime is 512315413. The next prime is 512315423. The reversal of 512315422 is 224513215.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512315423) by changing a digit.

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, 7918 + ... + 32974.

It is an arithmetic number, because the mean of its divisors is an integer number (96072372).

Almost surely, 2^512315422 is an apocalyptic number.

512315422 is a deficient number, since it is larger than the sum of its proper divisors (256263554).

512315422 is a wasteful number, since it uses less digits than its factorization.

512315422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35282.

The product of its digits is 2400, while the sum is 25.

The square root of 512315422 is about 22634.3858321802. The cubic root of 512315422 is about 800.1642485674.

Adding to 512315422 its reverse (224513215), we get a palindrome (736828637).

The spelling of 512315422 in words is "five hundred twelve million, three hundred fifteen thousand, four hundred twenty-two".