2625025225 has 9 divisors (see below), whose sum is σ = 3255348967. Its totient is φ = 2099815240.

The previous prime is 2625025201. The next prime is 2625025241. The reversal of 2625025225 is 5225205262.

The square root of 2625025225 is 51235.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 945009081 + 1680016144 = 30741^2 + 40988^2 .

It is not a de Polignac number, because 2625025225 - 2¹³ = 2625017033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 251052 + ... + 261298.

Almost surely, 2^2625025225 is an apocalyptic number.

2625025225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2625025225 is the 51235-th square number.

2625025225 is the 25618-th centered octagonal number.

It is an amenable number.

2625025225 is a deficient number, since it is larger than the sum of its proper divisors (630323742).

2625025225 is an frugal number, since it uses more digits than its factorization.

2625025225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20504 (or 10252 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The cubic root of 2625025225 is about 1379.4665068343.

The spelling of 2625025225 in words is "two billion, six hundred twenty-five million, twenty-five thousand, two hundred twenty-five".