25854961 has 8 divisors (see below), whose sum is σ = 29115648. Its totient is φ = 22746000.

The previous prime is 25854947. The next prime is 25854989. The reversal of 25854961 is 16945852.

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 25854961 - 2⁵ = 25854929 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25854901) 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, 37570 + ... + 38251.

It is an arithmetic number, because the mean of its divisors is an integer number (3639456).

Almost surely, 2^25854961 is an apocalyptic number.

It is an amenable number.

25854961 is a deficient number, since it is larger than the sum of its proper divisors (3260687).

25854961 is a wasteful number, since it uses less digits than its factorization.

25854961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75863.

The product of its digits is 86400, while the sum is 40.

The square root of 25854961 is about 5084.7773795910. Note that the first 3 decimals coincide. The cubic root of 25854961 is about 295.6977107807.

The spelling of 25854961 in words is "twenty-five million, eight hundred fifty-four thousand, nine hundred sixty-one".