25450125 has 16 divisors (see below), whose sum is σ = 42349632. Its totient is φ = 13573200.

The previous prime is 25450093. The next prime is 25450141. The reversal of 25450125 is 52105452.

It is a happy number.

It is not a de Polignac number, because 25450125 - 2⁵ = 25450093 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25450095 and 25450104.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 33559 + ... + 34308.

It is an arithmetic number, because the mean of its divisors is an integer number (2646852).

Almost surely, 2^25450125 is an apocalyptic number.

25450125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25450125 is a deficient number, since it is larger than the sum of its proper divisors (16899507).

25450125 is an equidigital number, since it uses as much as digits as its factorization.

25450125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67885 (or 67875 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 25450125 is about 5044.8116912329. The cubic root of 25450125 is about 294.1462435921.

Adding to 25450125 its reverse (52105452), we get a palindrome (77555577).

The spelling of 25450125 in words is "twenty-five million, four hundred fifty thousand, one hundred twenty-five".