25823541 has 16 divisors (see below), whose sum is σ = 35146944. Its totient is φ = 16861824.

The previous prime is 25823519. The next prime is 25823569. The reversal of 25823541 is 14532852.

It is not a de Polignac number, because 25823541 - 2⁵ = 25823509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25823499 and 25823508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25823141) 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, 33735 + ... + 34491.

It is an arithmetic number, because the mean of its divisors is an integer number (2196684).

Almost surely, 2^25823541 is an apocalyptic number.

It is an amenable number.

25823541 is a deficient number, since it is larger than the sum of its proper divisors (9323403).

25823541 is a wasteful number, since it uses less digits than its factorization.

25823541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980.

The product of its digits is 9600, while the sum is 30.

The square root of 25823541 is about 5081.6868262419. The cubic root of 25823541 is about 295.5778809326.

The spelling of 25823541 in words is "twenty-five million, eight hundred twenty-three thousand, five hundred forty-one".