505205607 has 8 divisors (see below), whose sum is σ = 696835440. Its totient is φ = 325189760.

The previous prime is 505205587. The next prime is 505205629. The reversal of 505205607 is 706502505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505205607 - 2¹⁸ = 504943463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505205707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2903394 + ... + 2903567.

It is an arithmetic number, because the mean of its divisors is an integer number (87104430).

Almost surely, 2^505205607 is an apocalyptic number.

505205607 is a deficient number, since it is larger than the sum of its proper divisors (191629833).

505205607 is a wasteful number, since it uses less digits than its factorization.

505205607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806993.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 505205607 is about 22476.7792844082. The cubic root of 505205607 is about 796.4454838046.

The spelling of 505205607 in words is "five hundred five million, two hundred five thousand, six hundred seven".