25604255 has 16 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 20006688.

The previous prime is 25604197. The next prime is 25604263. The reversal of 25604255 is 55240652.

25604255 = 245² + 246² + ... + 450².

It is a cyclic number.

It is not a de Polignac number, because 25604255 - 2⁸ = 25603999 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 42446 + ... + 43044.

It is an arithmetic number, because the mean of its divisors is an integer number (1965600).

Almost surely, 2^25604255 is an apocalyptic number.

25604255 is a deficient number, since it is larger than the sum of its proper divisors (5845345).

25604255 is a wasteful number, since it uses less digits than its factorization.

25604255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 25604255 is about 5060.0647229062. The cubic root of 25604255 is about 294.7388476888.

The spelling of 25604255 in words is "twenty-five million, six hundred four thousand, two hundred fifty-five".