25890941 has 4 divisors (see below), whose sum is σ = 25905084. Its totient is φ = 25876800.

The previous prime is 25890929. The next prime is 25890959. The reversal of 25890941 is 14909852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21585316 + 4305625 = 4646^2 + 2075^2 .

It is a cyclic number.

It is not a de Polignac number, because 25890941 - 2¹⁴ = 25874557 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25890895 and 25890904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25890961) 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, 3830 + ... + 8151.

It is an arithmetic number, because the mean of its divisors is an integer number (6476271).

Almost surely, 2^25890941 is an apocalyptic number.

It is an amenable number.

25890941 is a deficient number, since it is larger than the sum of its proper divisors (14143).

25890941 is a wasteful number, since it uses less digits than its factorization.

25890941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14142.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 25890941 is about 5088.3141608985. The cubic root of 25890941 is about 295.8348124152.

The spelling of 25890941 in words is "twenty-five million, eight hundred ninety thousand, nine hundred forty-one".