252150225 has 24 divisors (see below), whose sum is σ = 422175360. Its totient is φ = 132774720.

The previous prime is 252150221. The next prime is 252150257. The reversal of 252150225 is 522051252.

It is not a de Polignac number, because 252150225 - 2² = 252150221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252150195 and 252150204.

It is not an unprimeable number, because it can be changed into a prime (252150221) 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, 15354 + ... + 27203.

It is an arithmetic number, because the mean of its divisors is an integer number (17590640).

Almost surely, 2^252150225 is an apocalyptic number.

252150225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252150225 is a deficient number, since it is larger than the sum of its proper divisors (170025135).

252150225 is a wasteful number, since it uses less digits than its factorization.

252150225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42649 (or 42644 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 252150225 is about 15879.2388041745. The cubic root of 252150225 is about 631.7614474153.

The spelling of 252150225 in words is "two hundred fifty-two million, one hundred fifty thousand, two hundred twenty-five".