505612207 has 2 divisors, whose sum is σ = 505612208. Its totient is φ = 505612206.

The previous prime is 505612157. The next prime is 505612223. The reversal of 505612207 is 702216505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505612207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505612267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252806103 + 252806104.

It is an arithmetic number, because the mean of its divisors is an integer number (252806104).

Almost surely, 2^505612207 is an apocalyptic number.

505612207 is a deficient number, since it is larger than the sum of its proper divisors (1).

505612207 is an equidigital number, since it uses as much as digits as its factorization.

505612207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 505612207 is about 22485.8223554310. The cubic root of 505612207 is about 796.6590918167.

The spelling of 505612207 in words is "five hundred five million, six hundred twelve thousand, two hundred seven".