25908541 has 4 divisors (see below), whose sum is σ = 25918812. Its totient is φ = 25898272.

The previous prime is 25908497. The next prime is 25908551. The reversal of 25908541 is 14580952.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 18096516 + 7812025 = 4254^2 + 2795^2 .

It is a cyclic number.

It is not a de Polignac number, because 25908541 - 2²³ = 17519933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25908497 and 25908506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25908551) 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, 1551 + ... + 7363.

It is an arithmetic number, because the mean of its divisors is an integer number (6479703).

Almost surely, 2^25908541 is an apocalyptic number.

It is an amenable number.

25908541 is a deficient number, since it is larger than the sum of its proper divisors (10271).

25908541 is an equidigital number, since it uses as much as digits as its factorization.

25908541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10270.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 25908541 is about 5090.0433200514. The cubic root of 25908541 is about 295.9018308800.

The spelling of 25908541 in words is "twenty-five million, nine hundred eight thousand, five hundred forty-one".