506152221 has 16 divisors (see below), whose sum is σ = 697663488. Its totient is φ = 326070000.

The previous prime is 506152211. The next prime is 506152223. The reversal of 506152221 is 122251605.

It is a happy number.

It is not a de Polignac number, because 506152221 - 2¹¹ = 506150173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 506152191 and 506152200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506152223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66220 + ... + 73466.

It is an arithmetic number, because the mean of its divisors is an integer number (43603968).

Almost surely, 2^506152221 is an apocalyptic number.

It is an amenable number.

506152221 is a deficient number, since it is larger than the sum of its proper divisors (191511267).

506152221 is a wasteful number, since it uses less digits than its factorization.

506152221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8032.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 506152221 is about 22497.8270284043. The cubic root of 506152221 is about 796.9426121302.

The spelling of 506152221 in words is "five hundred six million, one hundred fifty-two thousand, two hundred twenty-one".