520225520320225 has 36 divisors (see below), whose sum is σ = 668142540575536. Its totient is φ = 401798253447360.

The previous prime is 520225520320217. The next prime is 520225520320241. The reversal of 520225520320225 is 522023025522025.

It is not a de Polignac number, because 520225520320225 - 2³ = 520225520320217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 272436634 + ... + 274339516.

Almost surely, 2^{520225520320225} is an apocalyptic number.

It is an amenable number.

520225520320225 is a deficient number, since it is larger than the sum of its proper divisors (147917020255311).

520225520320225 is a wasteful number, since it uses less digits than its factorization.

520225520320225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915954 (or 1915920 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 520225520320225 in words is "five hundred twenty trillion, two hundred twenty-five billion, five hundred twenty million, three hundred twenty thousand, two hundred twenty-five".