25811852 has 12 divisors (see below), whose sum is σ = 49277256. Its totient is φ = 11732640.

The previous prime is 25811833. The next prime is 25811879.

It is a happy number.

25811852 is nontrivially palindromic in base 10.

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, 293273 + ... + 293360.

It is an arithmetic number, because the mean of its divisors is an integer number (4106438).

Almost surely, 2^25811852 is an apocalyptic number.

25811852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25811852 is a deficient number, since it is larger than the sum of its proper divisors (23465404).

25811852 is a wasteful number, since it uses less digits than its factorization.

25811852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586648 (or 586646 counting only the distinct ones).

The product of its digits is 6400, while the sum is 32.

The square root of 25811852 is about 5080.5365858342. The cubic root of 25811852 is about 295.5332765245.

The spelling of 25811852 in words is "twenty-five million, eight hundred eleven thousand, eight hundred fifty-two".