225727325 has 6 divisors (see below), whose sum is σ = 279901914. Its totient is φ = 180581840.

The previous prime is 225727321. The next prime is 225727349. The reversal of 225727325 is 523727522.

It can be written as a sum of positive squares in 3 ways, for example, as 2553604 + 223173721 = 1598^2 + 14939^2 .

It is not a de Polignac number, because 225727325 - 2² = 225727321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225727321) 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, 4514522 + ... + 4514571.

It is an arithmetic number, because the mean of its divisors is an integer number (46650319).

Almost surely, 2^225727325 is an apocalyptic number.

225727325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225727325 is a deficient number, since it is larger than the sum of its proper divisors (54174589).

225727325 is an equidigital number, since it uses as much as digits as its factorization.

225727325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9029103 (or 9029098 counting only the distinct ones).

The product of its digits is 58800, while the sum is 35.

The square root of 225727325 is about 15024.2246056161. The cubic root of 225727325 is about 608.8748631794.

The spelling of 225727325 in words is "two hundred twenty-five million, seven hundred twenty-seven thousand, three hundred twenty-five".