520272500 has 60 divisors (see below), whose sum is σ = 1241227680. Its totient is φ = 189180000.

The previous prime is 520272427. The next prime is 520272521. The reversal of 520272500 is 5272025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18041 + ... + 36959.

It is an arithmetic number, because the mean of its divisors is an integer number (20687128).

Almost surely, 2^520272500 is an apocalyptic number.

520272500 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 520272500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620613840).

520272500 is an abundant number, since it is smaller than the sum of its proper divisors (720955180).

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

520272500 is a wasteful number, since it uses less digits than its factorization.

520272500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18954 (or 18937 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 520272500 is about 22809.4826771674. The cubic root of 520272500 is about 804.2855948509.

The spelling of 520272500 in words is "five hundred twenty million, two hundred seventy-two thousand, five hundred".