25853860 has 12 divisors (see below), whose sum is σ = 54293148. Its totient is φ = 10341536.

The previous prime is 25853857. The next prime is 25853887. The reversal of 25853860 is 6835852.

It can be written as a sum of positive squares in 2 ways, for example, as 7139584 + 18714276 = 2672^2 + 4326^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646327 + ... + 646366.

It is an arithmetic number, because the mean of its divisors is an integer number (4524429).

Almost surely, 2^25853860 is an apocalyptic number.

25853860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25853860 is an abundant number, since it is smaller than the sum of its proper divisors (28439288).

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

25853860 is a wasteful number, since it uses less digits than its factorization.

25853860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292702 (or 1292700 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 25853860 is about 5084.6691141116. The cubic root of 25853860 is about 295.6935134198.

The spelling of 25853860 in words is "twenty-five million, eight hundred fifty-three thousand, eight hundred sixty".