520225323522025 has 144 divisors (see below), whose sum is σ = 727131922453440. Its totient is φ = 368795572288000.

The previous prime is 520225323522017. The next prime is 520225323522061.

520225323522025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 520225323522025 - 2³ = 520225323522017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 43573603506 + ... + 43573615444.

It is an arithmetic number, because the mean of its divisors is an integer number (5049527239260).

Almost surely, 2^{520225323522025} is an apocalyptic number.

520225323522025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

520225323522025 is a deficient number, since it is larger than the sum of its proper divisors (206906598931415).

520225323522025 is a wasteful number, since it uses less digits than its factorization.

520225323522025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13768 (or 13752 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 40.

The spelling of 520225323522025 in words is "five hundred twenty trillion, two hundred twenty-five billion, three hundred twenty-three million, five hundred twenty-two thousand, twenty-five".