509932542 has 16 divisors (see below), whose sum is σ = 1165560192. Its totient is φ = 145695000.

The previous prime is 509932529. The next prime is 509932543. The reversal of 509932542 is 245239905.

It is a self number, because there is not a number n which added to its sum of digits gives 509932542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509932543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6070584 + ... + 6070667.

It is an arithmetic number, because the mean of its divisors is an integer number (72847512).

Almost surely, 2^509932542 is an apocalyptic number.

509932542 is an abundant number, since it is smaller than the sum of its proper divisors (655627650).

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

509932542 is a wasteful number, since it uses less digits than its factorization.

509932542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12141263.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 509932542 is about 22581.6859866574. The cubic root of 509932542 is about 798.9217463225.

It can be divided in two parts, 50993 and 2542, that added together give a palindrome (53535).

The spelling of 509932542 in words is "five hundred nine million, nine hundred thirty-two thousand, five hundred forty-two".