25978604 has 6 divisors (see below), whose sum is σ = 45462564. Its totient is φ = 12989300.

The previous prime is 25978591. The next prime is 25978607. The reversal of 25978604 is 40687952.

It is not an unprimeable number, because it can be changed into a prime (25978607) 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 as a sum of consecutive naturals, namely, 3247322 + ... + 3247329.

It is an arithmetic number, because the mean of its divisors is an integer number (7577094).

Almost surely, 2^25978604 is an apocalyptic number.

It is an amenable number.

25978604 is a deficient number, since it is larger than the sum of its proper divisors (19483960).

25978604 is a wasteful number, since it uses less digits than its factorization.

25978604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6494655 (or 6494653 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 25978604 is about 5096.9210313679. The cubic root of 25978604 is about 296.1683209933.

The spelling of 25978604 in words is "twenty-five million, nine hundred seventy-eight thousand, six hundred four".