25032225 has 24 divisors (see below), whose sum is σ = 42095520. Its totient is φ = 13121920.

The previous prime is 25032223. The next prime is 25032277. The reversal of 25032225 is 52223052.

It is not a de Polignac number, because 25032225 - 2¹ = 25032223 is a prime.

It is a super-2 number, since 2×25032225² = 1253224576901250, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25032223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1597 + ... + 7253.

It is an arithmetic number, because the mean of its divisors is an integer number (1753980).

Almost surely, 2^25032225 is an apocalyptic number.

25032225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25032225 is a deficient number, since it is larger than the sum of its proper divisors (17063295).

25032225 is a wasteful number, since it uses less digits than its factorization.

25032225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729 (or 5724 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 25032225 is about 5003.2214622181. The cubic root of 25032225 is about 292.5273551741.

Adding to 25032225 its reverse (52223052), we get a palindrome (77255277).

The spelling of 25032225 in words is "twenty-five million, thirty-two thousand, two hundred twenty-five".