506534331 has 4 divisors (see below), whose sum is σ = 675379112. Its totient is φ = 337689552.

The previous prime is 506534321. The next prime is 506534339. The reversal of 506534331 is 133435605.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-506534331 is a prime.

It is a super-2 number, since 2×506534331² = 513154056963235122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506534339) 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, 84422386 + ... + 84422391.

It is an arithmetic number, because the mean of its divisors is an integer number (168844778).

Almost surely, 2^506534331 is an apocalyptic number.

506534331 is a deficient number, since it is larger than the sum of its proper divisors (168844781).

506534331 is a wasteful number, since it uses less digits than its factorization.

506534331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168844780.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 506534331 is about 22506.3175797375. The cubic root of 506534331 is about 797.1431072451.

Adding to 506534331 its reverse (133435605), we get a palindrome (639969936).

The spelling of 506534331 in words is "five hundred six million, five hundred thirty-four thousand, three hundred thirty-one".