500068281 has 8 divisors (see below), whose sum is σ = 667430464. Its totient is φ = 333042480.

The previous prime is 500068273. The next prime is 500068291. The reversal of 500068281 is 182860005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 500068281 - 2³ = 500068273 is a prime.

It is a super-2 number, since 2×500068281² = 500136571324589922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (500068291) 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, 80605 + ... + 86586.

It is an arithmetic number, because the mean of its divisors is an integer number (83428808).

Almost surely, 2^500068281 is an apocalyptic number.

It is an amenable number.

500068281 is a deficient number, since it is larger than the sum of its proper divisors (167362183).

500068281 is a wasteful number, since it uses less digits than its factorization.

500068281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168191.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 500068281 is about 22362.2065324511. The cubic root of 500068281 is about 793.7366541166.

The spelling of 500068281 in words is "five hundred million, sixty-eight thousand, two hundred eighty-one".