512679542 has 4 divisors (see below), whose sum is σ = 769019316. Its totient is φ = 256339770.

The previous prime is 512679529. The next prime is 512679551. The reversal of 512679542 is 245976215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245976215 = 5 ⋅49195243.

It is a self number, because there is not a number n which added to its sum of digits gives 512679542.

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 as a sum of consecutive naturals, namely, 128169884 + ... + 128169887.

It is an arithmetic number, because the mean of its divisors is an integer number (192254829).

Almost surely, 2^512679542 is an apocalyptic number.

512679542 is a deficient number, since it is larger than the sum of its proper divisors (256339774).

512679542 is a wasteful number, since it uses less digits than its factorization.

512679542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256339773.

The product of its digits is 151200, while the sum is 41.

The square root of 512679542 is about 22642.4279175180. The cubic root of 512679542 is about 800.3537716590.

The spelling of 512679542 in words is "five hundred twelve million, six hundred seventy-nine thousand, five hundred forty-two".