25861230 has 24 divisors (see below), whose sum is σ = 67239432. Its totient is φ = 6896304.

The previous prime is 25861219. The next prime is 25861247. The reversal of 25861230 is 3216852.

It is a super-2 number, since 2×25861230² = 1337606434225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25861194 and 25861203.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 143584 + ... + 143763.

It is an arithmetic number, because the mean of its divisors is an integer number (2801643).

Almost surely, 2^25861230 is an apocalyptic number.

25861230 is an abundant number, since it is smaller than the sum of its proper divisors (41378202).

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

25861230 is a wasteful number, since it uses less digits than its factorization.

25861230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287360 (or 287357 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 25861230 is about 5085.3937900619. The cubic root of 25861230 is about 295.7216079242.

The spelling of 25861230 in words is "twenty-five million, eight hundred sixty-one thousand, two hundred thirty".