25604041 has 4 divisors (see below), whose sum is σ = 25636500. Its totient is φ = 25571584.

The previous prime is 25604027. The next prime is 25604063. The reversal of 25604041 is 14040652.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22467600 + 3136441 = 4740^2 + 1771^2 .

It is a cyclic number.

It is not a de Polignac number, because 25604041 - 2⁵ = 25604009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25604021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15016 + ... + 16633.

It is an arithmetic number, because the mean of its divisors is an integer number (6409125).

Almost surely, 2^25604041 is an apocalyptic number.

It is an amenable number.

25604041 is a deficient number, since it is larger than the sum of its proper divisors (32459).

25604041 is an equidigital number, since it uses as much as digits as its factorization.

25604041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32458.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 25604041 is about 5060.0435768875. The cubic root of 25604041 is about 294.7380265454.

Adding to 25604041 its reverse (14040652), we get a palindrome (39644693).

The spelling of 25604041 in words is "twenty-five million, six hundred four thousand, forty-one".