520352004 has 12 divisors (see below), whose sum is σ = 1214154704. Its totient is φ = 173450664.

The previous prime is 520351999. The next prime is 520352009. The reversal of 520352004 is 400253025.

It is an interprime number because it is at equal distance from previous prime (520351999) and next prime (520352009).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (520352009) 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 3 ways as a sum of consecutive naturals, for example, 21681322 + ... + 21681345.

Almost surely, 2^520352004 is an apocalyptic number.

It is an amenable number.

520352004 is an abundant number, since it is smaller than the sum of its proper divisors (693802700).

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

520352004 is a wasteful number, since it uses less digits than its factorization.

520352004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43362674 (or 43362672 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 520352004 is about 22811.2253945289. The cubic root of 520352004 is about 804.3265609888.

The spelling of 520352004 in words is "five hundred twenty million, three hundred fifty-two thousand, four".