25552263 has 16 divisors (see below), whose sum is σ = 37679616. Its totient is φ = 15272640.

The previous prime is 25552249. The next prime is 25552301. The reversal of 25552263 is 36225552.

It is not a de Polignac number, because 25552263 - 2⁶ = 25552199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25552263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25552213) 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 15 ways as a sum of consecutive naturals, for example, 2895 + ... + 7712.

It is an arithmetic number, because the mean of its divisors is an integer number (2354976).

Almost surely, 2^25552263 is an apocalyptic number.

25552263 is a deficient number, since it is larger than the sum of its proper divisors (12127353).

25552263 is a wasteful number, since it uses less digits than its factorization.

25552263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10694.

The product of its digits is 18000, while the sum is 30.

The square root of 25552263 is about 5054.9246285182. The cubic root of 25552263 is about 294.5392136015.

Subtracting 25552263 from its reverse (36225552), we obtain a square (10673289 = 3267²).

The spelling of 25552263 in words is "twenty-five million, five hundred fifty-two thousand, two hundred sixty-three".