578539242 has 12 divisors (see below), whose sum is σ = 1253501730. Its totient is φ = 192846408.

The previous prime is 578539219. The next prime is 578539261. The reversal of 578539242 is 242935875.

578539242 is a `hidden beast` number, since 5 + 78 + 539 + 2 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 349652601 + 228886641 = 18699^2 + 15129^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16070517 + ... + 16070552.

Almost surely, 2^578539242 is an apocalyptic number.

578539242 is an abundant number, since it is smaller than the sum of its proper divisors (674962488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

578539242 is a wasteful number, since it uses less digits than its factorization.

578539242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32141077 (or 32141074 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 578539242 is about 24052.8427010198. The cubic root of 578539242 is about 833.2543842362.

The spelling of 578539242 in words is "five hundred seventy-eight million, five hundred thirty-nine thousand, two hundred forty-two".