25300530505 has 8 divisors (see below), whose sum is σ = 30361655232. Its totient is φ = 20239745328.

The previous prime is 25300530503. The next prime is 25300530529. The reversal of 25300530505 is 50503500352.

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 25300530505 - 2¹ = 25300530503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25300530503) 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, 127234 + ... + 258436.

It is an arithmetic number, because the mean of its divisors is an integer number (3795206904).

Almost surely, 2^25300530505 is an apocalyptic number.

It is an amenable number.

25300530505 is a deficient number, since it is larger than the sum of its proper divisors (5061124727).

25300530505 is a wasteful number, since it uses less digits than its factorization.

25300530505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169775.

The product of its (nonzero) digits is 11250, while the sum is 28.

The spelling of 25300530505 in words is "twenty-five billion, three hundred million, five hundred thirty thousand, five hundred five".