25275250503 has 8 divisors (see below), whose sum is σ = 37444815600. Its totient is φ = 16850166984.

The previous prime is 25275250501. The next prime is 25275250519. The reversal of 25275250503 is 30505257252.

25275250503 is a `hidden beast` number, since 2 + 52 + 7 + 52 + 50 + 503 = 666.

It is not a de Polignac number, because 25275250503 - 2¹ = 25275250501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25275250501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468060168 + ... + 468060221.

It is an arithmetic number, because the mean of its divisors is an integer number (4680601950).

Almost surely, 2^25275250503 is an apocalyptic number.

25275250503 is a deficient number, since it is larger than the sum of its proper divisors (12169565097).

25275250503 is an equidigital number, since it uses as much as digits as its factorization.

25275250503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936120398 (or 936120392 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 36.

The spelling of 25275250503 in words is "twenty-five billion, two hundred seventy-five million, two hundred fifty thousand, five hundred three".