25425412 has 24 divisors (see below), whose sum is σ = 45846360. Its totient is φ = 12330240.

The previous prime is 25425403. The next prime is 25425451. The reversal of 25425412 is 21452452.

It can be written as a sum of positive squares in 4 ways, for example, as 11182336 + 14243076 = 3344^2 + 3774^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37218 + ... + 37894.

It is an arithmetic number, because the mean of its divisors is an integer number (1910265).

Almost surely, 2^25425412 is an apocalyptic number.

It is an amenable number.

25425412 is a deficient number, since it is larger than the sum of its proper divisors (20420948).

25425412 is a wasteful number, since it uses less digits than its factorization.

25425412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951 (or 949 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 25425412 is about 5042.3617482287. The cubic root of 25425412 is about 294.0510038465.

Adding to 25425412 its reverse (21452452), we get a palindrome (46877864).

The spelling of 25425412 in words is "twenty-five million, four hundred twenty-five thousand, four hundred twelve".