520948506 has 64 divisors (see below), whose sum is σ = 1147426560. Its totient is φ = 156710400.

The previous prime is 520948487. The next prime is 520948507. The reversal of 520948506 is 605849025.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (520948507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 700771 + ... + 701513.

It is an arithmetic number, because the mean of its divisors is an integer number (17928540).

Almost surely, 2^520948506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520948506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (573713280).

520948506 is an abundant number, since it is smaller than the sum of its proper divisors (626478054).

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

520948506 is a wasteful number, since it uses less digits than its factorization.

520948506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 520948506 is about 22824.2963966033. The cubic root of 520948506 is about 804.6337883936.

The spelling of 520948506 in words is "five hundred twenty million, nine hundred forty-eight thousand, five hundred six".