252223025 has 12 divisors (see below), whose sum is σ = 318659292. Its totient is φ = 197970240.

The previous prime is 252223003. The next prime is 252223031. The reversal of 252223025 is 520322252.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 40462321 + 211760704 = 6361^2 + 14552^2 .

It is not a de Polignac number, because 252223025 - 2¹² = 252218929 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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93854 + ... + 96503.

It is an arithmetic number, because the mean of its divisors is an integer number (26554941).

Almost surely, 2^252223025 is an apocalyptic number.

252223025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252223025 is a deficient number, since it is larger than the sum of its proper divisors (66436267).

252223025 is a wasteful number, since it uses less digits than its factorization.

252223025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190420 (or 190415 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 252223025 is about 15881.5309400574. The cubic root of 252223025 is about 631.8222416077.

Adding to 252223025 its reverse (520322252), we get a palindrome (772545277).

The spelling of 252223025 in words is "two hundred fifty-two million, two hundred twenty-three thousand, twenty-five".