25849628 has 12 divisors (see below), whose sum is σ = 51699312. Its totient is φ = 11078400.

The previous prime is 25849613. The next prime is 25849651. The reversal of 25849628 is 82694852.

25849628 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 461573 + ... + 461628.

It is an arithmetic number, because the mean of its divisors is an integer number (4308276).

Almost surely, 2^25849628 is an apocalyptic number.

25849628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25849628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25849628 is a wasteful number, since it uses less digits than its factorization.

25849628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923212 (or 923210 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 25849628 is about 5084.2529441404. The cubic root of 25849628 is about 295.6773785856.

The spelling of 25849628 in words is "twenty-five million, eight hundred forty-nine thousand, six hundred twenty-eight".