505233620 has 12 divisors (see below), whose sum is σ = 1060990644. Its totient is φ = 202093440.

The previous prime is 505233593. The next prime is 505233637. The reversal of 505233620 is 26332505.

It can be written as a sum of positive squares in 2 ways, for example, as 73342096 + 431891524 = 8564^2 + 20782^2 .

It is a super-3 number, since 3×505233620³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 505233620.

It is a congruent number.

It is an unprimeable number.

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, 12630821 + ... + 12630860.

It is an arithmetic number, because the mean of its divisors is an integer number (88415887).

Almost surely, 2^505233620 is an apocalyptic number.

It is an amenable number.

505233620 is an abundant number, since it is smaller than the sum of its proper divisors (555757024).

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

505233620 is a wasteful number, since it uses less digits than its factorization.

505233620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25261690 (or 25261688 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 505233620 is about 22477.4024299962. The cubic root of 505233620 is about 796.4602041579.

The spelling of 505233620 in words is "five hundred five million, two hundred thirty-three thousand, six hundred twenty".