520896321 has 24 divisors (see below), whose sum is σ = 822463200. Its totient is φ = 315057600.

The previous prime is 520896307. The next prime is 520896353. The reversal of 520896321 is 123698025.

It is not a de Polignac number, because 520896321 - 2¹³ = 520888129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520896361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46530 + ... + 56628.

It is an arithmetic number, because the mean of its divisors is an integer number (34269300).

Almost surely, 2^520896321 is an apocalyptic number.

It is an amenable number.

520896321 is a deficient number, since it is larger than the sum of its proper divisors (301566879).

520896321 is a wasteful number, since it uses less digits than its factorization.

520896321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10637 (or 10634 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 520896321 is about 22823.1531782968. The cubic root of 520896321 is about 804.6069199565.

The spelling of 520896321 in words is "five hundred twenty million, eight hundred ninety-six thousand, three hundred twenty-one".