25042125 has 32 divisors (see below), whose sum is σ = 42666624. Its totient is φ = 13036800.

The previous prime is 25042123. The next prime is 25042153. The reversal of 25042125 is 52124052.

It is a happy number.

It is not a de Polignac number, because 25042125 - 2¹ = 25042123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25042123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15349 + ... + 16901.

It is an arithmetic number, because the mean of its divisors is an integer number (1333332).

Almost surely, 2^25042125 is an apocalyptic number.

25042125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25042125 is a deficient number, since it is larger than the sum of its proper divisors (17624499).

25042125 is a wasteful number, since it uses less digits than its factorization.

25042125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 25042125 is about 5004.2107269778. The cubic root of 25042125 is about 292.5659139933.

Adding to 25042125 its reverse (52124052), we get a palindrome (77166177).

The spelling of 25042125 in words is "twenty-five million, forty-two thousand, one hundred twenty-five".