25252503306 has 8 divisors (see below), whose sum is σ = 50505006624. Its totient is φ = 8417501100.

The previous prime is 25252503203. The next prime is 25252503347. The reversal of 25252503306 is 60330525252.

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

25252503306 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2104375270 + ... + 2104375281.

It is an arithmetic number, because the mean of its divisors is an integer number (6313125828).

Almost surely, 2^25252503306 is an apocalyptic number.

25252503306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25252503306 is a wasteful number, since it uses less digits than its factorization.

25252503306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208750556.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 25252503306 in words is "twenty-five billion, two hundred fifty-two million, five hundred three thousand, three hundred six".