505025030 has 64 divisors (see below), whose sum is σ = 986923008. Its totient is φ = 185518080.

The previous prime is 505025009. The next prime is 505025033. The reversal of 505025030 is 30520505.

It is a junction number, because it is equal to n+sod(n) for n = 505024993 and 505025011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505025033) 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 31 ways as a sum of consecutive naturals, for example, 1375907 + ... + 1376273.

It is an arithmetic number, because the mean of its divisors is an integer number (15420672).

Almost surely, 2^505025030 is an apocalyptic number.

505025030 is a deficient number, since it is larger than the sum of its proper divisors (481897978).

505025030 is a wasteful number, since it uses less digits than its factorization.

505025030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 505025030 is about 22472.7619575343. The cubic root of 505025030 is about 796.3505806122.

Adding to 505025030 its reverse (30520505), we get a palindrome (535545535).

The spelling of 505025030 in words is "five hundred five million, twenty-five thousand, thirty".