225650725 has 6 divisors (see below), whose sum is σ = 279806930. Its totient is φ = 180520560.

The previous prime is 225650701. The next prime is 225650743. The reversal of 225650725 is 527056522.

It can be written as a sum of positive squares in 3 ways, for example, as 67469796 + 158180929 = 8214^2 + 12577^2 .

It is not a de Polignac number, because 225650725 - 2¹¹ = 225648677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4512990 + ... + 4513039.

Almost surely, 2^225650725 is an apocalyptic number.

225650725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225650725 is a deficient number, since it is larger than the sum of its proper divisors (54156205).

225650725 is an equidigital number, since it uses as much as digits as its factorization.

225650725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9026039 (or 9026034 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 225650725 is about 15021.6751728960. The cubic root of 225650725 is about 608.8059820028.

The spelling of 225650725 in words is "two hundred twenty-five million, six hundred fifty thousand, seven hundred twenty-five".