25853830 has 16 divisors (see below), whose sum is σ = 46761264. Its totient is φ = 10291680.

The previous prime is 25853809. The next prime is 25853837. The reversal of 25853830 is 3835852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25853837) 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, 4017 + ... + 8236.

It is an arithmetic number, because the mean of its divisors is an integer number (2922579).

Almost surely, 2^25853830 is an apocalyptic number.

25853830 is a deficient number, since it is larger than the sum of its proper divisors (20907434).

25853830 is a wasteful number, since it uses less digits than its factorization.

25853830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12471.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 25853830 is about 5084.6661640662. Note that the first 3 decimals coincide. The cubic root of 25853830 is about 295.6933990487.

The spelling of 25853830 in words is "twenty-five million, eight hundred fifty-three thousand, eight hundred thirty".