505893197 has 8 divisors (see below), whose sum is σ = 527462400. Its totient is φ = 484599024.

The previous prime is 505893163. The next prime is 505893209. The reversal of 505893197 is 791398505.

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

It is a cyclic number.

It is not a de Polignac number, because 505893197 - 2¹⁰ = 505892173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505893397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64997 + ... + 72362.

It is an arithmetic number, because the mean of its divisors is an integer number (65932800).

Almost surely, 2^505893197 is an apocalyptic number.

It is an amenable number.

505893197 is a deficient number, since it is larger than the sum of its proper divisors (21569203).

505893197 is a wasteful number, since it uses less digits than its factorization.

505893197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137515.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 505893197 is about 22492.0696468778. The cubic root of 505893197 is about 796.8066434908.

The spelling of 505893197 in words is "five hundred five million, eight hundred ninety-three thousand, one hundred ninety-seven".