509066342 has 4 divisors (see below), whose sum is σ = 763599516. Its totient is φ = 254533170.

The previous prime is 509066287. The next prime is 509066347. The reversal of 509066342 is 243660905.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509066347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127266584 + ... + 127266587.

It is an arithmetic number, because the mean of its divisors is an integer number (190899879).

Almost surely, 2^509066342 is an apocalyptic number.

509066342 is a deficient number, since it is larger than the sum of its proper divisors (254533174).

509066342 is a wasteful number, since it uses less digits than its factorization.

509066342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254533173.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 509066342 is about 22562.4985761772. The cubic root of 509066342 is about 798.4691255228.

The spelling of 509066342 in words is "five hundred nine million, sixty-six thousand, three hundred forty-two".