25242103 has 4 divisors (see below), whose sum is σ = 25924360. Its totient is φ = 24559848.

The previous prime is 25242097. The next prime is 25242131. The reversal of 25242103 is 30124252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25242103 - 2⁵ = 25242071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25242163) 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 3 ways as a sum of consecutive naturals, for example, 341073 + ... + 341146.

It is an arithmetic number, because the mean of its divisors is an integer number (6481090).

Almost surely, 2^25242103 is an apocalyptic number.

25242103 is a deficient number, since it is larger than the sum of its proper divisors (682257).

25242103 is an equidigital number, since it uses as much as digits as its factorization.

25242103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682256.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 25242103 is about 5024.1519682430. The cubic root of 25242103 is about 293.3426278334.

Adding to 25242103 its reverse (30124252), we get a palindrome (55366355).

The spelling of 25242103 in words is "twenty-five million, two hundred forty-two thousand, one hundred three".