25010 has 16 divisors (see below), whose sum is σ = 46872. Its totient is φ = 9600.

The previous prime is 24989. The next prime is 25013. The reversal of 25010 is 1052.

It can be written as a sum of positive squares in 4 ways, for example, as 6241 + 18769 = 79^2 + 137^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380 + ... + 440.

2²⁵⁰¹⁰ is an apocalyptic number.

25010 is a deficient number, since it is larger than the sum of its proper divisors (21862).

25010 is a wasteful number, since it uses less digits than its factorization.

25010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109.

The product of its (nonzero) digits is 10, while the sum is 8.

The square root of 25010 is about 158.1455026234. The cubic root of 25010 is about 29.2440755527.

Adding to 25010 its reverse (1052), we get a palindrome (26062).

The spelling of 25010 in words is "twenty-five thousand, ten".