505111207 has 2 divisors, whose sum is σ = 505111208. Its totient is φ = 505111206.

The previous prime is 505111133. The next prime is 505111231. The reversal of 505111207 is 702111505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505111207 - 2¹¹ = 505109159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505111247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252555603 + 252555604.

It is an arithmetic number, because the mean of its divisors is an integer number (252555604).

Almost surely, 2^505111207 is an apocalyptic number.

505111207 is a deficient number, since it is larger than the sum of its proper divisors (1).

505111207 is an equidigital number, since it uses as much as digits as its factorization.

505111207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 505111207 is about 22474.6792413151. The cubic root of 505111207 is about 796.3958742094.

The spelling of 505111207 in words is "five hundred five million, one hundred eleven thousand, two hundred seven".