506303161 has 8 divisors (see below), whose sum is σ = 623142464. Its totient is φ = 400591440.

The previous prime is 506303143. The next prime is 506303243. The reversal of 506303161 is 161303605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 506303161 - 2⁷ = 506303033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506300161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2781795 + ... + 2781976.

It is an arithmetic number, because the mean of its divisors is an integer number (77892808).

Almost surely, 2^506303161 is an apocalyptic number.

It is an amenable number.

506303161 is a deficient number, since it is larger than the sum of its proper divisors (116839303).

506303161 is a wasteful number, since it uses less digits than its factorization.

506303161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563791.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 506303161 is about 22501.1813245438. The cubic root of 506303161 is about 797.0218231906.

Adding to 506303161 its reverse (161303605), we get a palindrome (667606766).

The spelling of 506303161 in words is "five hundred six million, three hundred three thousand, one hundred sixty-one".