506213271 has 12 divisors (see below), whose sum is σ = 731552640. Its totient is φ = 337311360.

The previous prime is 506213261. The next prime is 506213287. The reversal of 506213271 is 172312605.

It is a happy number.

506213271 is a `hidden beast` number, since 5 + 0 + 621 + 32 + 7 + 1 = 666.

It is not a de Polignac number, because 506213271 - 2¹⁹ = 505688983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506213251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7591 + ... + 32711.

It is an arithmetic number, because the mean of its divisors is an integer number (60962720).

Almost surely, 2^506213271 is an apocalyptic number.

506213271 is a deficient number, since it is larger than the sum of its proper divisors (225339369).

506213271 is a wasteful number, since it uses less digits than its factorization.

506213271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27366 (or 27363 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 506213271 is about 22499.1837851954. The cubic root of 506213271 is about 796.9746521558.

Adding to 506213271 its reverse (172312605), we get a palindrome (678525876).

The spelling of 506213271 in words is "five hundred six million, two hundred thirteen thousand, two hundred seventy-one".