25106 has 4 divisors (see below), whose sum is σ = 37662. Its totient is φ = 12552.

The previous prime is 25097. The next prime is 25111. The reversal of 25106 is 60152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13225 + 11881 = 115^2 + 109^2 .

It is a super-2 number, since 2×25106² = 1260622472, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25106.

It is an unprimeable number.

25106 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6275 + ... + 6278.

2²⁵¹⁰⁶ is an apocalyptic number.

25106 is a deficient number, since it is larger than the sum of its proper divisors (12556).

25106 is a wasteful number, since it uses less digits than its factorization.

25106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12555.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 25106 is about 158.4487298782. The cubic root of 25106 is about 29.2814452291.

Adding to 25106 its reverse (60152), we get a palindrome (85258).

It can be divided in two parts, 25 and 106, that added together give a palindrome (131).

The spelling of 25106 in words is "twenty-five thousand, one hundred six".