25604105 has 8 divisors (see below), whose sum is σ = 30997512. Its totient is φ = 20301568.

The previous prime is 25604101. The next prime is 25604113. The reversal of 25604105 is 50140652.

It can be written as a sum of positive squares in 4 ways, for example, as 121801 + 25482304 = 349^2 + 5048^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25604105 - 2² = 25604101 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 22094 + ... + 23223.

It is an arithmetic number, because the mean of its divisors is an integer number (3874689).

Almost surely, 2^25604105 is an apocalyptic number.

It is an amenable number.

25604105 is a deficient number, since it is larger than the sum of its proper divisors (5393407).

25604105 is a wasteful number, since it uses less digits than its factorization.

25604105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45435.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 25604105 is about 5060.0499009397. The cubic root of 25604105 is about 294.7382721215.

Adding to 25604105 its reverse (50140652), we get a palindrome (75744757).

The spelling of 25604105 in words is "twenty-five million, six hundred four thousand, one hundred five".