25664303 has 8 divisors (see below), whose sum is σ = 29955072. Its totient is φ = 21529656.

The previous prime is 25664281. The next prime is 25664321. The reversal of 25664303 is 30346652.

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 25664303 - 2⁶ = 25664239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25664323) 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, 38675 + ... + 39332.

It is an arithmetic number, because the mean of its divisors is an integer number (3744384).

Almost surely, 2^25664303 is an apocalyptic number.

25664303 is a deficient number, since it is larger than the sum of its proper divisors (4290769).

25664303 is an equidigital number, since it uses as much as digits as its factorization.

25664303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78061.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 25664303 is about 5065.9947690459. The cubic root of 25664303 is about 294.9690784405.

The spelling of 25664303 in words is "twenty-five million, six hundred sixty-four thousand, three hundred three".