506166131 has 2 divisors, whose sum is σ = 506166132. Its totient is φ = 506166130.

The previous prime is 506166127. The next prime is 506166149. The reversal of 506166131 is 131661605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506166131 - 2² = 506166127 is a prime.

It is a super-2 number, since 2×506166131² = 512408304343018322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 506166094 and 506166103.

It is not a weakly prime, because it can be changed into another prime (506166151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253083065 + 253083066.

It is an arithmetic number, because the mean of its divisors is an integer number (253083066).

Almost surely, 2^506166131 is an apocalyptic number.

506166131 is a deficient number, since it is larger than the sum of its proper divisors (1).

506166131 is an equidigital number, since it uses as much as digits as its factorization.

506166131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 506166131 is about 22498.1361672473. The cubic root of 506166131 is about 796.9499125494.

The spelling of 506166131 in words is "five hundred six million, one hundred sixty-six thousand, one hundred thirty-one".