505011030 has 32 divisors (see below), whose sum is σ = 1234898784. Its totient is φ = 132128256.

The previous prime is 505011011. The next prime is 505011037. The reversal of 505011030 is 30110505.

It is a super-2 number, since 2×505011030² = 510072280843321800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505011037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157219 + ... + 160398.

It is an arithmetic number, because the mean of its divisors is an integer number (38590587).

Almost surely, 2^505011030 is an apocalyptic number.

505011030 is an abundant number, since it is smaller than the sum of its proper divisors (729887754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505011030 is a wasteful number, since it uses less digits than its factorization.

505011030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317680.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 505011030 is about 22472.4504671831. The cubic root of 505011030 is about 796.3432218937.

Adding to 505011030 its reverse (30110505), we get a palindrome (535121535).

The spelling of 505011030 in words is "five hundred five million, eleven thousand, thirty".