506905069 has 16 divisors (see below), whose sum is σ = 572141376. Its totient is φ = 445046400.

The previous prime is 506905039. The next prime is 506905081. The reversal of 506905069 is 960509605.

It is a cyclic number.

It is not a de Polignac number, because 506905069 - 2¹⁹ = 506380781 is a prime.

It is a super-2 number, since 2×506905069² = 513905497955789522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506905019) 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 15 ways as a sum of consecutive naturals, for example, 51214 + ... + 60304.

It is an arithmetic number, because the mean of its divisors is an integer number (35758836).

Almost surely, 2^506905069 is an apocalyptic number.

It is an amenable number.

506905069 is a deficient number, since it is larger than the sum of its proper divisors (65236307).

506905069 is a wasteful number, since it uses less digits than its factorization.

506905069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9276.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 506905069 is about 22514.5523828479. The cubic root of 506905069 is about 797.3375390612.

The spelling of 506905069 in words is "five hundred six million, nine hundred five thousand, sixty-nine".