506738231 has 4 divisors (see below), whose sum is σ = 528770352. Its totient is φ = 484706112.

The previous prime is 506738213. The next prime is 506738237. The reversal of 506738231 is 132837605.

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 506738231 - 2²² = 502543927 is a prime.

It is a super-2 number, since 2×506738231² = 513567269514018722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506738191 and 506738200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506738237) 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, 11016026 + ... + 11016071.

It is an arithmetic number, because the mean of its divisors is an integer number (132192588).

Almost surely, 2^506738231 is an apocalyptic number.

506738231 is a deficient number, since it is larger than the sum of its proper divisors (22032121).

506738231 is a wasteful number, since it uses less digits than its factorization.

506738231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22032120.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 506738231 is about 22510.8469631864. The cubic root of 506738231 is about 797.2500533856.

The spelling of 506738231 in words is "five hundred six million, seven hundred thirty-eight thousand, two hundred thirty-one".