505089049 has 4 divisors (see below), whose sum is σ = 505134900. Its totient is φ = 505043200.

The previous prime is 505089037. The next prime is 505089059. The reversal of 505089049 is 940980505.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 305375625 + 199713424 = 17475^2 + 14132^2 .

It is a cyclic number.

It is not a de Polignac number, because 505089049 - 2²¹ = 502991897 is a prime.

It is a super-2 number, since 2×505089049² = 510229894839448802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505089019) 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, 4677 + ... + 32125.

It is an arithmetic number, because the mean of its divisors is an integer number (126283725).

Almost surely, 2^505089049 is an apocalyptic number.

It is an amenable number.

505089049 is a deficient number, since it is larger than the sum of its proper divisors (45851).

505089049 is a wasteful number, since it uses less digits than its factorization.

505089049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45850.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 505089049 is about 22474.1862811538. The cubic root of 505089049 is about 796.3842287225.

The spelling of 505089049 in words is "five hundred five million, eighty-nine thousand, forty-nine".