25984415 has 16 divisors (see below), whose sum is σ = 33335712. Its totient is φ = 19375104.

The previous prime is 25984403. The next prime is 25984421. The reversal of 25984415 is 51448952.

It is not a de Polignac number, because 25984415 - 2¹⁸ = 25722271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7667 + ... + 10523.

It is an arithmetic number, because the mean of its divisors is an integer number (2083482).

Almost surely, 2^25984415 is an apocalyptic number.

25984415 is a deficient number, since it is larger than the sum of its proper divisors (7351297).

25984415 is a wasteful number, since it uses less digits than its factorization.

25984415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986.

The product of its digits is 57600, while the sum is 38.

The square root of 25984415 is about 5097.4910495262. The cubic root of 25984415 is about 296.1904020593.

The spelling of 25984415 in words is "twenty-five million, nine hundred eighty-four thousand, four hundred fifteen".