25853730 has 32 divisors (see below), whose sum is σ = 70913664. Its totient is φ = 5909376.

The previous prime is 25853717. The next prime is 25853731. The reversal of 25853730 is 3735852.

It is a junction number, because it is equal to n+sod(n) for n = 25853691 and 25853700.

It is not an unprimeable number, because it can be changed into a prime (25853731) 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 15 ways as a sum of consecutive naturals, for example, 61347 + ... + 61766.

It is an arithmetic number, because the mean of its divisors is an integer number (2216052).

Almost surely, 2^25853730 is an apocalyptic number.

25853730 is an abundant number, since it is smaller than the sum of its proper divisors (45059934).

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

25853730 is a wasteful number, since it uses less digits than its factorization.

25853730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123130.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 25853730 is about 5084.6563305695. The cubic root of 25853730 is about 295.6930178108.

The spelling of 25853730 in words is "twenty-five million, eight hundred fifty-three thousand, seven hundred thirty".