25985603 has 8 divisors (see below), whose sum is σ = 29729280. Its totient is φ = 22249800.

The previous prime is 25985579. The next prime is 25985611. The reversal of 25985603 is 30658952.

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 25985603 - 2²⁴ = 9208387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25985693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9878 + ... + 12228.

It is an arithmetic number, because the mean of its divisors is an integer number (3716160).

Almost surely, 2^25985603 is an apocalyptic number.

25985603 is a deficient number, since it is larger than the sum of its proper divisors (3743677).

25985603 is a wasteful number, since it uses less digits than its factorization.

25985603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 25985603 is about 5097.6075761086. The cubic root of 25985603 is about 296.1949159039.

The spelling of 25985603 in words is "twenty-five million, nine hundred eighty-five thousand, six hundred three".