520013252 has 12 divisors (see below), whose sum is σ = 992752656. Its totient is φ = 236369640.

The previous prime is 520013213. The next prime is 520013257. The reversal of 520013252 is 252310025.

It is not an unprimeable number, because it can be changed into a prime (520013257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5909198 + ... + 5909285.

It is an arithmetic number, because the mean of its divisors is an integer number (82729388).

Almost surely, 2^520013252 is an apocalyptic number.

It is an amenable number.

520013252 is a deficient number, since it is larger than the sum of its proper divisors (472739404).

520013252 is a wasteful number, since it uses less digits than its factorization.

520013252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11818498 (or 11818496 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 520013252 is about 22803.7990694533. The cubic root of 520013252 is about 804.1519827698.

Adding to 520013252 its reverse (252310025), we get a palindrome (772323277).

The spelling of 520013252 in words is "five hundred twenty million, thirteen thousand, two hundred fifty-two".