25918541 has 8 divisors (see below), whose sum is σ = 28498944. Its totient is φ = 23375520.

The previous prime is 25918517. The next prime is 25918553. The reversal of 25918541 is 14581952.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25918541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25918561) 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, 7880 + ... + 10673.

It is an arithmetic number, because the mean of its divisors is an integer number (3562368).

Almost surely, 2^25918541 is an apocalyptic number.

It is an amenable number.

25918541 is a deficient number, since it is larger than the sum of its proper divisors (2580403).

25918541 is a wasteful number, since it uses less digits than its factorization.

25918541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18691.

The product of its digits is 14400, while the sum is 35.

The square root of 25918541 is about 5091.0255351943. The cubic root of 25918541 is about 295.9398960324.

The spelling of 25918541 in words is "twenty-five million, nine hundred eighteen thousand, five hundred forty-one".