505025044 has 24 divisors (see below), whose sum is σ = 906431400. Its totient is φ = 246059520.

The previous prime is 505025041. The next prime is 505025047. The reversal of 505025044 is 440520505.

It is an interprime number because it is at equal distance from previous prime (505025041) and next prime (505025047).

It can be written as a sum of positive squares in 4 ways, for example, as 9072144 + 495952900 = 3012^2 + 22270^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505025041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210202 + ... + 212590.

It is an arithmetic number, because the mean of its divisors is an integer number (37767975).

Almost surely, 2^505025044 is an apocalyptic number.

It is an amenable number.

505025044 is a deficient number, since it is larger than the sum of its proper divisors (401406356).

505025044 is a wasteful number, since it uses less digits than its factorization.

505025044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723 (or 3721 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 505025044 is about 22472.7622690225. The cubic root of 505025044 is about 796.3505879709.

Adding to 505025044 its reverse (440520505), we get a palindrome (945545549).

The spelling of 505025044 in words is "five hundred five million, twenty-five thousand, forty-four".