25405032 has 16 divisors (see below), whose sum is σ = 63512640. Its totient is φ = 8468336.

The previous prime is 25405019. The next prime is 25405043. The reversal of 25405032 is 23050452.

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 3 ways as a sum of consecutive naturals, for example, 529248 + ... + 529295.

It is an arithmetic number, because the mean of its divisors is an integer number (3969540).

Almost surely, 2^25405032 is an apocalyptic number.

It is an amenable number.

25405032 is an abundant number, since it is smaller than the sum of its proper divisors (38107608).

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

25405032 is a wasteful number, since it uses less digits than its factorization.

25405032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058552 (or 1058548 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 25405032 is about 5040.3404646909. The cubic root of 25405032 is about 293.9724163117.

Adding to 25405032 its reverse (23050452), we get a palindrome (48455484).

The spelling of 25405032 in words is "twenty-five million, four hundred five thousand, thirty-two".