25641541 has 8 divisors (see below), whose sum is σ = 26058240. Its totient is φ = 25228272.

The previous prime is 25641529. The next prime is 25641563. The reversal of 25641541 is 14514652.

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 25641541 - 2⁵ = 25641509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25641521) 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, 17100 + ... + 18538.

It is an arithmetic number, because the mean of its divisors is an integer number (3257280).

Almost surely, 2^25641541 is an apocalyptic number.

It is an amenable number.

25641541 is a deficient number, since it is larger than the sum of its proper divisors (416699).

25641541 is a wasteful number, since it uses less digits than its factorization.

25641541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715.

The product of its digits is 4800, while the sum is 28.

The square root of 25641541 is about 5063.7477227840. The cubic root of 25641541 is about 294.8818486921.

The spelling of 25641541 in words is "twenty-five million, six hundred forty-one thousand, five hundred forty-one".