500066542 has 4 divisors (see below), whose sum is σ = 750099816. Its totient is φ = 250033270.

The previous prime is 500066519. The next prime is 500066551. The reversal of 500066542 is 245660005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245660005 = 5 ⋅49132001.

It is a self number, because there is not a number n which added to its sum of digits gives 500066542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125016634 + ... + 125016637.

It is an arithmetic number, because the mean of its divisors is an integer number (187524954).

Almost surely, 2^500066542 is an apocalyptic number.

500066542 is a deficient number, since it is larger than the sum of its proper divisors (250033274).

500066542 is a wasteful number, since it uses less digits than its factorization.

500066542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250033273.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 500066542 is about 22362.1676498500. The cubic root of 500066542 is about 793.7357340359.

The spelling of 500066542 in words is "five hundred million, sixty-six thousand, five hundred forty-two".