25648041 has 16 divisors (see below), whose sum is σ = 35290368. Its totient is φ = 16560000.

The previous prime is 25648033. The next prime is 25648057. The reversal of 25648041 is 14084652.

It is not a de Polignac number, because 25648041 - 2³ = 25648033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25648741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13341 + ... + 15141.

It is an arithmetic number, because the mean of its divisors is an integer number (2205648).

Almost surely, 2^25648041 is an apocalyptic number.

It is an amenable number.

25648041 is a deficient number, since it is larger than the sum of its proper divisors (9642327).

25648041 is a wasteful number, since it uses less digits than its factorization.

25648041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 25648041 is about 5064.3894992388. The cubic root of 25648041 is about 294.9067636023.

The spelling of 25648041 in words is "twenty-five million, six hundred forty-eight thousand, forty-one".