65148806225 has 6 divisors (see below), whose sum is σ = 80784519750. Its totient is φ = 52119044960.

The previous prime is 65148806221. The next prime is 65148806249. The reversal of 65148806225 is 52260884156.

It can be written as a sum of positive squares in 3 ways, for example, as 1159538704 + 63989267521 = 34052^2 + 252961^2 .

It is not a de Polignac number, because 65148806225 - 2² = 65148806221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65148806225.

It is not an unprimeable number, because it can be changed into a prime (65148806221) 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 5 ways as a sum of consecutive naturals, for example, 1302976100 + ... + 1302976149.

It is an arithmetic number, because the mean of its divisors is an integer number (13464086625).

Almost surely, 2^65148806225 is an apocalyptic number.

It is an amenable number.

65148806225 is a deficient number, since it is larger than the sum of its proper divisors (15635713525).

65148806225 is a wasteful number, since it uses less digits than its factorization.

65148806225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605952259 (or 2605952254 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 65148806225 in words is "sixty-five billion, one hundred forty-eight million, eight hundred six thousand, two hundred twenty-five".