25473552103 has 4 divisors (see below), whose sum is σ = 25474814680. Its totient is φ = 25472289528.

The previous prime is 25473552059. The next prime is 25473552119. The reversal of 25473552103 is 30125537452.

It is a happy number.

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 25473552103 - 2⁹ = 25473551591 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 (25473552703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600525 + ... + 641542.

It is an arithmetic number, because the mean of its divisors is an integer number (6368703670).

Almost surely, 2^25473552103 is an apocalyptic number.

25473552103 is a deficient number, since it is larger than the sum of its proper divisors (1262577).

25473552103 is a wasteful number, since it uses less digits than its factorization.

25473552103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262576.

The product of its (nonzero) digits is 126000, while the sum is 37.

The spelling of 25473552103 in words is "twenty-five billion, four hundred seventy-three million, five hundred fifty-two thousand, one hundred three".