25008125 has 10 divisors (see below), whose sum is σ = 31250934. Its totient is φ = 20006000.

The previous prime is 25008101. The next prime is 25008127. The reversal of 25008125 is 52180052.

It can be written as a sum of positive squares in 5 ways, for example, as 10666756 + 14341369 = 3266^2 + 3787^2 .

It is not a de Polignac number, because 25008125 - 2⁸ = 25007869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25008125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25008127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19382 + ... + 20631.

Almost surely, 2^25008125 is an apocalyptic number.

25008125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25008125 is a deficient number, since it is larger than the sum of its proper divisors (6242809).

25008125 is an frugal number, since it uses more digits than its factorization.

25008125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40033 (or 40018 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 25008125 is about 5000.8124339951. The cubic root of 25008125 is about 292.4334472491.

Adding to 25008125 its reverse (52180052), we get a palindrome (77188177).

The spelling of 25008125 in words is "twenty-five million, eight thousand, one hundred twenty-five".