520294452 has 96 divisors (see below), whose sum is σ = 1373137920. Its totient is φ = 152463360.

The previous prime is 520294451. The next prime is 520294471. The reversal of 520294452 is 254492025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520294451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181978 + ... + 184814.

It is an arithmetic number, because the mean of its divisors is an integer number (14303520).

Almost surely, 2^520294452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520294452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686568960).

520294452 is an abundant number, since it is smaller than the sum of its proper divisors (852843468).

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

520294452 is a wasteful number, since it uses less digits than its factorization.

520294452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921 (or 2919 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 520294452 is about 22809.9638754646. The cubic root of 520294452 is about 804.2969065058.

The spelling of 520294452 in words is "five hundred twenty million, two hundred ninety-four thousand, four hundred fifty-two".