25604327 has 4 divisors (see below), whose sum is σ = 29262096. Its totient is φ = 21946560.

The previous prime is 25604297. The next prime is 25604389. The reversal of 25604327 is 72340652.

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

It is a cyclic number.

It is not a de Polignac number, because 25604327 - 2⁶ = 25604263 is a prime.

It is a super-2 number, since 2×25604327² = 1311163122245858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25604327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25604027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1828874 + ... + 1828887.

It is an arithmetic number, because the mean of its divisors is an integer number (7315524).

Almost surely, 2^25604327 is an apocalyptic number.

25604327 is a deficient number, since it is larger than the sum of its proper divisors (3657769).

25604327 is an equidigital number, since it uses as much as digits as its factorization.

25604327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657768.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 25604327 is about 5060.0718374347. The cubic root of 25604327 is about 294.7391239602.

Adding to 25604327 its reverse (72340652), we get a palindrome (97944979).

The spelling of 25604327 in words is "twenty-five million, six hundred four thousand, three hundred twenty-seven".