25054752503 has 4 divisors (see below), whose sum is σ = 27332457288. Its totient is φ = 22777047720.

The previous prime is 25054752491. The next prime is 25054752529. The reversal of 25054752503 is 30525745052.

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 25054752503 - 2¹⁸ = 25054490359 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 (25054752563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138852376 + ... + 1138852397.

It is an arithmetic number, because the mean of its divisors is an integer number (6833114322).

Almost surely, 2^25054752503 is an apocalyptic number.

25054752503 is a deficient number, since it is larger than the sum of its proper divisors (2277704785).

25054752503 is a wasteful number, since it uses less digits than its factorization.

25054752503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277704784.

The product of its (nonzero) digits is 210000, while the sum is 38.

The spelling of 25054752503 in words is "twenty-five billion, fifty-four million, seven hundred fifty-two thousand, five hundred three".