25663363 has 8 divisors (see below), whose sum is σ = 28592640. Its totient is φ = 22833480.

The previous prime is 25663361. The next prime is 25663373. The reversal of 25663363 is 36336652.

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 25663363 - 2¹ = 25663361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25663361) 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 7 ways as a sum of consecutive naturals, for example, 24303 + ... + 25336.

It is an arithmetic number, because the mean of its divisors is an integer number (3574080).

Almost surely, 2^25663363 is an apocalyptic number.

25663363 is a deficient number, since it is larger than the sum of its proper divisors (2929277).

25663363 is a wasteful number, since it uses less digits than its factorization.

25663363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49697.

The product of its digits is 58320, while the sum is 34.

The square root of 25663363 is about 5065.9019927354. The cubic root of 25663363 is about 294.9654771436.

Subtracting 25663363 from its reverse (36336652), we obtain a square (10673289 = 3267²).

It can be divided in two parts, 2566 and 3363, that added together give a square (5929 = 77²).

The spelling of 25663363 in words is "twenty-five million, six hundred sixty-three thousand, three hundred sixty-three".