25301225 has 6 divisors (see below), whose sum is σ = 31373550. Its totient is φ = 20240960.

The previous prime is 25301191. The next prime is 25301231. The reversal of 25301225 is 52210352.

It can be written as a sum of positive squares in 3 ways, for example, as 1281424 + 24019801 = 1132^2 + 4901^2 .

It is not a de Polignac number, because 25301225 - 2⁸ = 25300969 is a prime.

It is a super-3 number, since 3×25301225³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25301197 and 25301206.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506000 + ... + 506049.

It is an arithmetic number, because the mean of its divisors is an integer number (5228925).

Almost surely, 2^25301225 is an apocalyptic number.

25301225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25301225 is a deficient number, since it is larger than the sum of its proper divisors (6072325).

25301225 is a wasteful number, since it uses less digits than its factorization.

25301225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012059 (or 1012054 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 25301225 is about 5030.0323060593. The cubic root of 25301225 is about 293.5714714204.

Adding to 25301225 its reverse (52210352), we get a palindrome (77511577).

The spelling of 25301225 in words is "twenty-five million, three hundred one thousand, two hundred twenty-five".