505932197 has 4 divisors (see below), whose sum is σ = 505997376. Its totient is φ = 505867020.

The previous prime is 505932181. The next prime is 505932221. The reversal of 505932197 is 791239505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 505932197 - 2⁴ = 505932181 is a prime.

It is a super-2 number, since 2×505932197² = 511934775922493618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505932107) 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 3 ways as a sum of consecutive naturals, for example, 19079 + ... + 37092.

It is an arithmetic number, because the mean of its divisors is an integer number (126499344).

Almost surely, 2^505932197 is an apocalyptic number.

It is an amenable number.

505932197 is a deficient number, since it is larger than the sum of its proper divisors (65179).

505932197 is an equidigital number, since it uses as much as digits as its factorization.

505932197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65178.

The product of its (nonzero) digits is 85050, while the sum is 41.

The square root of 505932197 is about 22492.9366024092. The cubic root of 505932197 is about 796.8271186035.

The spelling of 505932197 in words is "five hundred five million, nine hundred thirty-two thousand, one hundred ninety-seven".