25897416 has 16 divisors (see below), whose sum is σ = 64743600. Its totient is φ = 8632464.

The previous prime is 25897397. The next prime is 25897429. The reversal of 25897416 is 61479852.

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, 539506 + ... + 539553.

It is an arithmetic number, because the mean of its divisors is an integer number (4046475).

Almost surely, 2^25897416 is an apocalyptic number.

It is an amenable number.

25897416 is an abundant number, since it is smaller than the sum of its proper divisors (38846184).

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

25897416 is a wasteful number, since it uses less digits than its factorization.

25897416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079068 (or 1079064 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 25897416 is about 5088.9503829375. The cubic root of 25897416 is about 295.8594718865.

The spelling of 25897416 in words is "twenty-five million, eight hundred ninety-seven thousand, four hundred sixteen".