25112106 has 48 divisors (see below), whose sum is σ = 56949984. Its totient is φ = 8293104.

The previous prime is 25112099. The next prime is 25112119. The reversal of 25112106 is 60121152.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79060 + ... + 79376.

It is an arithmetic number, because the mean of its divisors is an integer number (1186458).

Almost surely, 2^25112106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25112106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28474992).

25112106 is an abundant number, since it is smaller than the sum of its proper divisors (31837878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25112106 is a wasteful number, since it uses less digits than its factorization.

25112106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 25112106 is about 5011.1980603445. The cubic root of 25112106 is about 292.8381887169.

Adding to 25112106 its reverse (60121152), we get a palindrome (85233258).

The spelling of 25112106 in words is "twenty-five million, one hundred twelve thousand, one hundred six".