505032500 has 60 divisors (see below), whose sum is σ = 1262220960. Its totient is φ = 173148000.

The previous prime is 505032491. The next prime is 505032503. The reversal of 505032500 is 5230505.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505032503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3071 + ... + 31929.

It is an arithmetic number, because the mean of its divisors is an integer number (21037016).

Almost surely, 2^505032500 is an apocalyptic number.

505032500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505032500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631110480).

505032500 is an abundant number, since it is smaller than the sum of its proper divisors (757188460).

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

505032500 is a wasteful number, since it uses less digits than its factorization.

505032500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28890 (or 28873 counting only the distinct ones).

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

The square root of 505032500 is about 22472.9281581195. The cubic root of 505032500 is about 796.3545069585.

The spelling of 505032500 in words is "five hundred five million, thirty-two thousand, five hundred".