25020125 has 32 divisors (see below), whose sum is σ = 34201440. Its totient is φ = 18163200.

The previous prime is 25020097. The next prime is 25020133. The reversal of 25020125 is 52102052.

It can be written as a sum of positive squares in 16 ways, for example, as 20259001 + 4761124 = 4501^2 + 2182^2 .

It is not a de Polignac number, because 25020125 - 2¹² = 25016029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144539 + ... + 144711.

It is an arithmetic number, because the mean of its divisors is an integer number (1068795).

Almost surely, 2^25020125 is an apocalyptic number.

25020125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25020125 is a deficient number, since it is larger than the sum of its proper divisors (9181315).

25020125 is a wasteful number, since it uses less digits than its factorization.

25020125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 25020125 is about 5002.0120951473. The cubic root of 25020125 is about 292.4802139196.

Adding to 25020125 its reverse (52102052), we get a palindrome (77122177).

The spelling of 25020125 in words is "twenty-five million, twenty thousand, one hundred twenty-five".