252244025 has 12 divisors (see below), whose sum is σ = 341217744. Its totient is φ = 183450000.

The previous prime is 252244021. The next prime is 252244039. The reversal of 252244025 is 520442252.

It is not a de Polignac number, because 252244025 - 2² = 252244021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252243985 and 252244003.

It is not an unprimeable number, because it can be changed into a prime (252244021) 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 11 ways as a sum of consecutive naturals, for example, 458351 + ... + 458900.

It is an arithmetic number, because the mean of its divisors is an integer number (28434812).

Almost surely, 2^252244025 is an apocalyptic number.

252244025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252244025 is a deficient number, since it is larger than the sum of its proper divisors (88973719).

252244025 is a wasteful number, since it uses less digits than its factorization.

252244025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917272 (or 917267 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 252244025 is about 15882.1920716254. The cubic root of 252244025 is about 631.8397762200.

Adding to 252244025 its reverse (520442252), we get a palindrome (772686277).

The spelling of 252244025 in words is "two hundred fifty-two million, two hundred forty-four thousand, twenty-five".