25604106 has 64 divisors (see below), whose sum is σ = 59222016. Its totient is φ = 7304000.

The previous prime is 25604101. The next prime is 25604113. The reversal of 25604106 is 60140652.

It is not an unprimeable number, because it can be changed into a prime (25604101) 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, 153235 + ... + 153401.

It is an arithmetic number, because the mean of its divisors is an integer number (925344).

Almost surely, 2^25604106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25604106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29611008).

25604106 is an abundant number, since it is smaller than the sum of its proper divisors (33617910).

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

25604106 is a wasteful number, since it uses less digits than its factorization.

25604106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 25604106 is about 5060.0499997530. The cubic root of 25604106 is about 294.7382759586.

Adding to 25604106 its reverse (60140652), we get a palindrome (85744758).

It can be divided in two parts, 2560 and 4106, that added together give a palindrome (6666).

The spelling of 25604106 in words is "twenty-five million, six hundred four thousand, one hundred six".