520471652 has 6 divisors (see below), whose sum is σ = 910825398. Its totient is φ = 260235824.

The previous prime is 520471649. The next prime is 520471661. The reversal of 520471652 is 256174025.

It can be written as a sum of positive squares in only one way, i.e., 479434816 + 41036836 = 21896^2 + 6406^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 65058953 + ... + 65058960.

It is an arithmetic number, because the mean of its divisors is an integer number (151804233).

Almost surely, 2^520471652 is an apocalyptic number.

It is an amenable number.

520471652 is a deficient number, since it is larger than the sum of its proper divisors (390353746).

520471652 is a wasteful number, since it uses less digits than its factorization.

520471652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130117917 (or 130117915 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 520471652 is about 22813.8478122390. The cubic root of 520471652 is about 804.3882043178.

The spelling of 520471652 in words is "five hundred twenty million, four hundred seventy-one thousand, six hundred fifty-two".