220525325 has 6 divisors (see below), whose sum is σ = 273451434. Its totient is φ = 176420240.

The previous prime is 220525321. The next prime is 220525379. The reversal of 220525325 is 523525022.

It is a happy number.

220525325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 51811204 + 168714121 = 7198^2 + 12989^2 .

It is not a de Polignac number, because 220525325 - 2² = 220525321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220525294 and 220525303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220525321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4410482 + ... + 4410531.

It is an arithmetic number, because the mean of its divisors is an integer number (45575239).

Almost surely, 2^220525325 is an apocalyptic number.

220525325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220525325 is a deficient number, since it is larger than the sum of its proper divisors (52926109).

220525325 is an equidigital number, since it uses as much as digits as its factorization.

220525325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8821023 (or 8821018 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 220525325 is about 14850.0951175405. The cubic root of 220525325 is about 604.1611898565.

The spelling of 220525325 in words is "two hundred twenty million, five hundred twenty-five thousand, three hundred twenty-five".