25125103 has 4 divisors (see below), whose sum is σ = 25204680. Its totient is φ = 25045528.

The previous prime is 25125083. The next prime is 25125151. The reversal of 25125103 is 30152152.

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 25125103 - 2⁵ = 25125071 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 (25125703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39313 + ... + 39946.

It is an arithmetic number, because the mean of its divisors is an integer number (6301170).

Almost surely, 2^25125103 is an apocalyptic number.

25125103 is a deficient number, since it is larger than the sum of its proper divisors (79577).

25125103 is an equidigital number, since it uses as much as digits as its factorization.

25125103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79576.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 25125103 is about 5012.4946882765. The cubic root of 25125103 is about 292.8887003641. Note that the first 3 decimals are identical.

Adding to 25125103 its reverse (30152152), we get a palindrome (55277255).

The spelling of 25125103 in words is "twenty-five million, one hundred twenty-five thousand, one hundred three".