25810230 has 16 divisors (see below), whose sum is σ = 61944624. Its totient is φ = 6882720.

The previous prime is 25810181. The next prime is 25810231. The reversal of 25810230 is 3201852.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25810197 and 25810206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25810231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430141 + ... + 430200.

It is an arithmetic number, because the mean of its divisors is an integer number (3871539).

Almost surely, 2^25810230 is an apocalyptic number.

25810230 is an abundant number, since it is smaller than the sum of its proper divisors (36134394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25810230 is a wasteful number, since it uses less digits than its factorization.

25810230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860351.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 25810230 is about 5080.3769545182. The cubic root of 25810230 is about 295.5270860218.

The spelling of 25810230 in words is "twenty-five million, eight hundred ten thousand, two hundred thirty".