505319199 has 16 divisors (see below), whose sum is σ = 840011520. Its totient is φ = 262503360.

The previous prime is 505319183. The next prime is 505319207. The reversal of 505319199 is 991913505.

It is not a de Polignac number, because 505319199 - 2⁴ = 505319183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505319199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505319149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093534 + ... + 1093995.

It is an arithmetic number, because the mean of its divisors is an integer number (52500720).

Almost surely, 2^505319199 is an apocalyptic number.

505319199 is a deficient number, since it is larger than the sum of its proper divisors (334692321).

505319199 is a wasteful number, since it uses less digits than its factorization.

505319199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187550.

The product of its (nonzero) digits is 54675, while the sum is 42.

The square root of 505319199 is about 22479.3060168680. The cubic root of 505319199 is about 796.5051710914.

The spelling of 505319199 in words is "five hundred five million, three hundred nineteen thousand, one hundred ninety-nine".