252244010225 has 12 divisors (see below), whose sum is σ = 314655527424. Its totient is φ = 200586850320.

The previous prime is 252244010177. The next prime is 252244010311. The reversal of 252244010225 is 522010442252.

It is a happy number.

It is not a de Polignac number, because 252244010225 - 2²⁴ = 252227233009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30204689 + ... + 30213038.

It is an arithmetic number, because the mean of its divisors is an integer number (26221293952).

Almost surely, 2^252244010225 is an apocalyptic number.

252244010225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252244010225 is a deficient number, since it is larger than the sum of its proper divisors (62411517199).

252244010225 is a wasteful number, since it uses less digits than its factorization.

252244010225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60417904 (or 60417899 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 252244010225 its reverse (522010442252), we get a palindrome (774254452477).

The spelling of 252244010225 in words is "two hundred fifty-two billion, two hundred forty-four million, ten thousand, two hundred twenty-five".