505645067 has 2 divisors, whose sum is σ = 505645068. Its totient is φ = 505645066.

The previous prime is 505645027. The next prime is 505645097. The reversal of 505645067 is 760546505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505645067 - 2⁶ = 505645003 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505645067.

It is not a weakly prime, because it can be changed into another prime (505645027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252822533 + 252822534.

It is an arithmetic number, because the mean of its divisors is an integer number (252822534).

Almost surely, 2^505645067 is an apocalyptic number.

505645067 is a deficient number, since it is larger than the sum of its proper divisors (1).

505645067 is an equidigital number, since it uses as much as digits as its factorization.

505645067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 505645067 is about 22486.5530261977. The cubic root of 505645067 is about 796.6763498723.

The spelling of 505645067 in words is "five hundred five million, six hundred forty-five thousand, sixty-seven".