512005342 has 8 divisors (see below), whose sum is σ = 769943736. Its totient is φ = 255357432.

The previous prime is 512005321. The next prime is 512005349. The reversal of 512005342 is 243500215.

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 (512005349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321628 + ... + 323215.

It is an arithmetic number, because the mean of its divisors is an integer number (96242967).

Almost surely, 2^512005342 is an apocalyptic number.

512005342 is a deficient number, since it is larger than the sum of its proper divisors (257938394).

512005342 is a wasteful number, since it uses less digits than its factorization.

512005342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645242.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 512005342 is about 22627.5350402999. The cubic root of 512005342 is about 800.0027822820.

Adding to 512005342 its reverse (243500215), we get a palindrome (755505557).

The spelling of 512005342 in words is "five hundred twelve million, five thousand, three hundred forty-two".