16250505325 has 6 divisors (see below), whose sum is σ = 20150626634. Its totient is φ = 13000404240.

The previous prime is 16250505281. The next prime is 16250505331. The reversal of 16250505325 is 52350505261.

It can be written as a sum of positive squares in 3 ways, for example, as 760711561 + 15489793764 = 27581^2 + 124458^2 .

It is not a de Polignac number, because 16250505325 - 2²³ = 16242116717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 325010082 + ... + 325010131.

Almost surely, 2^16250505325 is an apocalyptic number.

It is an amenable number.

16250505325 is a deficient number, since it is larger than the sum of its proper divisors (3900121309).

16250505325 is an equidigital number, since it uses as much as digits as its factorization.

16250505325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650020223 (or 650020218 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 16250505325 in words is "sixteen billion, two hundred fifty million, five hundred five thousand, three hundred twenty-five".