505280530 has 16 divisors (see below), whose sum is σ = 930657024. Its totient is φ = 197411760.

The previous prime is 505280527. The next prime is 505280539. The reversal of 505280530 is 35082505.

It is not an unprimeable number, because it can be changed into a prime (505280539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587106 + ... + 587965.

It is an arithmetic number, because the mean of its divisors is an integer number (58166064).

Almost surely, 2^505280530 is an apocalyptic number.

505280530 is a deficient number, since it is larger than the sum of its proper divisors (425376494).

505280530 is a wasteful number, since it uses less digits than its factorization.

505280530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175121.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 505280530 is about 22478.4458982377. The cubic root of 505280530 is about 796.4848533435.

The spelling of 505280530 in words is "five hundred five million, two hundred eighty thousand, five hundred thirty".