506030689 has 4 divisors (see below), whose sum is σ = 508240660. Its totient is φ = 503820720.

The previous prime is 506030677. The next prime is 506030711. The reversal of 506030689 is 986030605.

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

It can be written as a sum of positive squares in 2 ways, for example, as 466905664 + 39125025 = 21608^2 + 6255^2 .

It is a cyclic number.

It is not a de Polignac number, because 506030689 - 2¹¹ = 506028641 is a prime.

It is a super-3 number, since 3×506030689³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506030489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104642 + ... + 1105099.

It is an arithmetic number, because the mean of its divisors is an integer number (127060165).

Almost surely, 2^506030689 is an apocalyptic number.

It is an amenable number.

506030689 is a deficient number, since it is larger than the sum of its proper divisors (2209971).

506030689 is a wasteful number, since it uses less digits than its factorization.

506030689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209970.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 506030689 is about 22495.1258942910. The cubic root of 506030689 is about 796.8788225043.

The spelling of 506030689 in words is "five hundred six million, thirty thousand, six hundred eighty-nine".