512744542 has 8 divisors (see below), whose sum is σ = 769986576. Its totient is φ = 256082352.

The previous prime is 512744527. The next prime is 512744587. The reversal of 512744542 is 245447215.

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

It is a junction number, because it is equal to n+sod(n) for n = 512744498 and 512744507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142743 + ... + 146290.

It is an arithmetic number, because the mean of its divisors is an integer number (96248322).

Almost surely, 2^512744542 is an apocalyptic number.

512744542 is a deficient number, since it is larger than the sum of its proper divisors (257242034).

512744542 is a wasteful number, since it uses less digits than its factorization.

512744542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289922.

The product of its digits is 44800, while the sum is 34.

The square root of 512744542 is about 22643.8632304649. The cubic root of 512744542 is about 800.3875944745.

The spelling of 512744542 in words is "five hundred twelve million, seven hundred forty-four thousand, five hundred forty-two".