252275225 has 24 divisors (see below), whose sum is σ = 319737720. Its totient is φ = 197406720.

The previous prime is 252275197. The next prime is 252275227. The reversal of 252275225 is 522572252.

It can be written as a sum of positive squares in 12 ways, for example, as 70241161 + 182034064 = 8381^2 + 13492^2 .

It is not a de Polignac number, because 252275225 - 2⁸ = 252274969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252275191 and 252275200.

It is not an unprimeable number, because it can be changed into a prime (252275227) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 249521 + ... + 250529.

It is an arithmetic number, because the mean of its divisors is an integer number (13322405).

Almost surely, 2^252275225 is an apocalyptic number.

252275225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252275225 is a deficient number, since it is larger than the sum of its proper divisors (67462495).

252275225 is a wasteful number, since it uses less digits than its factorization.

252275225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229 (or 1224 counting only the distinct ones).

The product of its digits is 28000, while the sum is 32.

The square root of 252275225 is about 15883.1742734253. The cubic root of 252275225 is about 631.8658258470.

The spelling of 252275225 in words is "two hundred fifty-two million, two hundred seventy-five thousand, two hundred twenty-five".