505193042 has 8 divisors (see below), whose sum is σ = 778270476. Its totient is φ = 245769552.

The previous prime is 505193009. The next prime is 505193047. The reversal of 505193042 is 240391505.

It can be written as a sum of positive squares in 2 ways, for example, as 492795601 + 12397441 = 22199^2 + 3521^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 505192996 and 505193014.

It is not an unprimeable number, because it can be changed into a prime (505193047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3413393 + ... + 3413540.

Almost surely, 2^505193042 is an apocalyptic number.

505193042 is a deficient number, since it is larger than the sum of its proper divisors (273077434).

505193042 is a wasteful number, since it uses less digits than its factorization.

505193042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6826972.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 505193042 is about 22476.4997719841. The cubic root of 505193042 is about 796.4388809349.

The spelling of 505193042 in words is "five hundred five million, one hundred ninety-three thousand, forty-two".