505534147 has 2 divisors, whose sum is σ = 505534148. Its totient is φ = 505534146.

The previous prime is 505534093. The next prime is 505534171. The reversal of 505534147 is 741435505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505534147 - 2¹¹ = 505532099 is a prime.

It is not a weakly prime, because it can be changed into another prime (505538147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252767073 + 252767074.

It is an arithmetic number, because the mean of its divisors is an integer number (252767074).

Almost surely, 2^505534147 is an apocalyptic number.

505534147 is a deficient number, since it is larger than the sum of its proper divisors (1).

505534147 is an equidigital number, since it uses as much as digits as its factorization.

505534147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 505534147 is about 22484.0865280313. The cubic root of 505534147 is about 796.6180917457.

The spelling of 505534147 in words is "five hundred five million, five hundred thirty-four thousand, one hundred forty-seven".