65344225 has 6 divisors (see below), whose sum is σ = 81026870. Its totient is φ = 52275360.

The previous prime is 65344217. The next prime is 65344231. The reversal of 65344225 is 52244356.

65344225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 73984 + 65270241 = 272^2 + 8079^2 .

It is not a de Polignac number, because 65344225 - 2³ = 65344217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1306860 + ... + 1306909.

Almost surely, 2^65344225 is an apocalyptic number.

It is an amenable number.

65344225 is a deficient number, since it is larger than the sum of its proper divisors (15682645).

65344225 is a wasteful number, since it uses less digits than its factorization.

65344225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613779 (or 2613774 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 65344225 is about 8083.5774877216. The cubic root of 65344225 is about 402.7810878136.

The spelling of 65344225 in words is "sixty-five million, three hundred forty-four thousand, two hundred twenty-five".