506605371 has 4 divisors (see below), whose sum is σ = 675473832. Its totient is φ = 337736912.

The previous prime is 506605367. The next prime is 506605381. The reversal of 506605371 is 173506605.

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

It is a cyclic number.

It is not a de Polignac number, because 506605371 - 2² = 506605367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506605331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84434226 + ... + 84434231.

It is an arithmetic number, because the mean of its divisors is an integer number (168868458).

Almost surely, 2^506605371 is an apocalyptic number.

506605371 is a deficient number, since it is larger than the sum of its proper divisors (168868461).

506605371 is a wasteful number, since it uses less digits than its factorization.

506605371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168868460.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 506605371 is about 22507.8957479370. The cubic root of 506605371 is about 797.1803711880.

The spelling of 506605371 in words is "five hundred six million, six hundred five thousand, three hundred seventy-one".