25872825 has 36 divisors (see below), whose sum is σ = 47035184. Its totient is φ = 12540000.

The previous prime is 25872823. The next prime is 25872841. The reversal of 25872825 is 52827852.

It is a happy number.

It is not a de Polignac number, because 25872825 - 2¹ = 25872823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25872823) 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 35 ways as a sum of consecutive naturals, for example, 7650 + ... + 10500.

Almost surely, 2^25872825 is an apocalyptic number.

25872825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25872825 is a deficient number, since it is larger than the sum of its proper divisors (21162359).

25872825 is a wasteful number, since it uses less digits than its factorization.

25872825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886 (or 2870 counting only the distinct ones).

The product of its digits is 89600, while the sum is 39.

The square root of 25872825 is about 5086.5336920146. The cubic root of 25872825 is about 295.7657973630.

It can be divided in two parts, 25872 and 825, that multiplied together give a square (21344400 = 4620²).

The spelling of 25872825 in words is "twenty-five million, eight hundred seventy-two thousand, eight hundred twenty-five".