25678363 has 4 divisors (see below), whose sum is σ = 25807600. Its totient is φ = 25549128.

The previous prime is 25678361. The next prime is 25678379. The reversal of 25678363 is 36387652.

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

It is a cyclic number.

It is not a de Polignac number, because 25678363 - 2¹ = 25678361 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25678361) 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 3 ways as a sum of consecutive naturals, for example, 64320 + ... + 64717.

It is an arithmetic number, because the mean of its divisors is an integer number (6451900).

Almost surely, 2^25678363 is an apocalyptic number.

25678363 is a deficient number, since it is larger than the sum of its proper divisors (129237).

25678363 is a wasteful number, since it uses less digits than its factorization.

25678363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129236.

The product of its digits is 181440, while the sum is 40.

The square root of 25678363 is about 5067.3822630625. The cubic root of 25678363 is about 295.0229341549.

The spelling of 25678363 in words is "twenty-five million, six hundred seventy-eight thousand, three hundred sixty-three".