506546409 has 8 divisors (see below), whose sum is σ = 675501120. Its totient is φ = 337644656.

The previous prime is 506546371. The next prime is 506546413. The reversal of 506546409 is 904645605.

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

It is a cyclic number.

It is not a de Polignac number, because 506546409 - 2¹¹ = 506544361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506546429) 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, 24244 + ... + 40010.

It is an arithmetic number, because the mean of its divisors is an integer number (84437640).

Almost surely, 2^506546409 is an apocalyptic number.

It is an amenable number.

506546409 is a deficient number, since it is larger than the sum of its proper divisors (168954711).

506546409 is a wasteful number, since it uses less digits than its factorization.

506546409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26479.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 506546409 is about 22506.5859027974. The cubic root of 506546409 is about 797.1494429907.

The spelling of 506546409 in words is "five hundred six million, five hundred forty-six thousand, four hundred nine".