520375000 has 112 divisors (see below), whose sum is σ = 1279671120. Its totient is φ = 198000000.

The previous prime is 520374937. The next prime is 520375001. The reversal of 520375000 is 573025.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520375001) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 2874910 + ... + 2875090.

It is an arithmetic number, because the mean of its divisors is an integer number (11425635).

Almost surely, 2^520375000 is an apocalyptic number.

520375000 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 520375000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639835560).

520375000 is an abundant number, since it is smaller than the sum of its proper divisors (759296120).

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

520375000 is an equidigital number, since it uses as much as digits as its factorization.

520375000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 520375000 is about 22811.7294390408. The cubic root of 520375000 is about 804.3384093921.

The spelling of 520375000 in words is "five hundred twenty million, three hundred seventy-five thousand".