25602243 has 16 divisors (see below), whose sum is σ = 36453120. Its totient is φ = 15944544.

The previous prime is 25602229. The next prime is 25602257. The reversal of 25602243 is 34220652.

It is an interprime number because it is at equal distance from previous prime (25602229) and next prime (25602257).

It is not a de Polignac number, because 25602243 - 2⁹ = 25601731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25602293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1348 + ... + 7281.

It is an arithmetic number, because the mean of its divisors is an integer number (2278320).

Almost surely, 2^25602243 is an apocalyptic number.

25602243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25602243 is a deficient number, since it is larger than the sum of its proper divisors (10850877).

25602243 is a wasteful number, since it uses less digits than its factorization.

25602243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8698.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 25602243 is about 5059.8659073141. The cubic root of 25602243 is about 294.7311272259.

Adding to 25602243 its reverse (34220652), we get a palindrome (59822895).

The spelling of 25602243 in words is "twenty-five million, six hundred two thousand, two hundred forty-three".