25850125 has 32 divisors (see below), whose sum is σ = 38098944. Its totient is φ = 17136000.

The previous prime is 25850117. The next prime is 25850129. The reversal of 25850125 is 52105852.

It is not a de Polignac number, because 25850125 - 2³ = 25850117 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25850093 and 25850102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25850129) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 26649 + ... + 27601.

It is an arithmetic number, because the mean of its divisors is an integer number (1190592).

Almost surely, 2^25850125 is an apocalyptic number.

25850125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25850125 is a deficient number, since it is larger than the sum of its proper divisors (12248819).

25850125 is an equidigital number, since it uses as much as digits as its factorization.

25850125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 25850125 is about 5084.3018203093. The cubic root of 25850125 is about 295.6792735286.

Adding to 25850125 its reverse (52105852), we get a palindrome (77955977).

The spelling of 25850125 in words is "twenty-five million, eight hundred fifty thousand, one hundred twenty-five".