25873478 has 8 divisors (see below), whose sum is σ = 40852920. Its totient is φ = 12255840.

The previous prime is 25873451. The next prime is 25873493. The reversal of 25873478 is 87437852.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

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, 340403 + ... + 340478.

It is an arithmetic number, because the mean of its divisors is an integer number (5106615).

Almost surely, 2^25873478 is an apocalyptic number.

25873478 is a deficient number, since it is larger than the sum of its proper divisors (14979442).

25873478 is a wasteful number, since it uses less digits than its factorization.

25873478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680902.

The product of its digits is 376320, while the sum is 44.

The square root of 25873478 is about 5086.5978807057. The cubic root of 25873478 is about 295.7682856036.

The spelling of 25873478 in words is "twenty-five million, eight hundred seventy-three thousand, four hundred seventy-eight".