25752225 has 24 divisors (see below), whose sum is σ = 42988320. Its totient is φ = 13601920.

The previous prime is 25752217. The next prime is 25752241. The reversal of 25752225 is 52225752.

25752225 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 25752225 - 2³ = 25752217 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25752192 and 25752201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6421 + ... + 9629.

It is an arithmetic number, because the mean of its divisors is an integer number (1791180).

Almost surely, 2^25752225 is an apocalyptic number.

25752225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25752225 is a deficient number, since it is larger than the sum of its proper divisors (17236095).

25752225 is a wasteful number, since it uses less digits than its factorization.

25752225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329 (or 3324 counting only the distinct ones).

The product of its digits is 14000, while the sum is 30.

The square root of 25752225 is about 5074.6650135748. The cubic root of 25752225 is about 295.3055342552.

Adding to 25752225 its reverse (52225752), we get a palindrome (77977977).

The spelling of 25752225 in words is "twenty-five million, seven hundred fifty-two thousand, two hundred twenty-five".