25478967 has 8 divisors (see below), whose sum is σ = 34308720. Its totient is φ = 16817600.

The previous prime is 25478953. The next prime is 25478969. The reversal of 25478967 is 76987452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25478967 - 2⁸ = 25478711 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25478969) 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 7 ways as a sum of consecutive naturals, for example, 41742 + ... + 42347.

It is an arithmetic number, because the mean of its divisors is an integer number (4288590).

Almost surely, 2^25478967 is an apocalyptic number.

25478967 is a deficient number, since it is larger than the sum of its proper divisors (8829753).

25478967 is a wasteful number, since it uses less digits than its factorization.

25478967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84193.

The product of its digits is 846720, while the sum is 48.

The square root of 25478967 is about 5047.6694622370. The cubic root of 25478967 is about 294.2573178751.

The spelling of 25478967 in words is "twenty-five million, four hundred seventy-eight thousand, nine hundred sixty-seven".