25053012503 has 8 divisors (see below), whose sum is σ = 25466512896. Its totient is φ = 24639602400.

The previous prime is 25053012443. The next prime is 25053012511. The reversal of 25053012503 is 30521035052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25053012503 - 2²² = 25048818199 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 (25053012553) 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 7 ways as a sum of consecutive naturals, for example, 756725 + ... + 789137.

It is an arithmetic number, because the mean of its divisors is an integer number (3183314112).

Almost surely, 2^25053012503 is an apocalyptic number.

25053012503 is a deficient number, since it is larger than the sum of its proper divisors (413500393).

25053012503 is a wasteful number, since it uses less digits than its factorization.

25053012503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45145.

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 25053012503 its reverse (30521035052), we get a palindrome (55574047555).

The spelling of 25053012503 in words is "twenty-five billion, fifty-three million, twelve thousand, five hundred three".