25794821 has 8 divisors (see below), whose sum is σ = 28675584. Its totient is φ = 23042160.

The previous prime is 25794803. The next prime is 25794827. The reversal of 25794821 is 12849752.

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 25794821 - 2⁶ = 25794757 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 (25794827) 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, 31601 + ... + 32406.

It is an arithmetic number, because the mean of its divisors is an integer number (3584448).

Almost surely, 2^25794821 is an apocalyptic number.

It is an amenable number.

25794821 is a deficient number, since it is larger than the sum of its proper divisors (2880763).

25794821 is a wasteful number, since it uses less digits than its factorization.

25794821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64051.

The product of its digits is 40320, while the sum is 38.

The square root of 25794821 is about 5078.8602067787. The cubic root of 25794821 is about 295.4682633071.

The spelling of 25794821 in words is "twenty-five million, seven hundred ninety-four thousand, eight hundred twenty-one".