25955078 has 4 divisors (see below), whose sum is σ = 38932620. Its totient is φ = 12977538.

The previous prime is 25955051. The next prime is 25955099. The reversal of 25955078 is 87055952.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6488768 + ... + 6488771.

It is an arithmetic number, because the mean of its divisors is an integer number (9733155).

Almost surely, 2^25955078 is an apocalyptic number.

25955078 is a deficient number, since it is larger than the sum of its proper divisors (12977542).

25955078 is a wasteful number, since it uses less digits than its factorization.

25955078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12977541.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 25955078 is about 5094.6126447454. The cubic root of 25955078 is about 296.0788914989.

The spelling of 25955078 in words is "twenty-five million, nine hundred fifty-five thousand, seventy-eight".