65445113 has 2 divisors, whose sum is σ = 65445114. Its totient is φ = 65445112.

The previous prime is 65445091. The next prime is 65445167. The reversal of 65445113 is 31154456.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65334889 + 110224 = 8083^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 65445113 - 2²⁴ = 48667897 is a prime.

It is not a weakly prime, because it can be changed into another prime (65445313) 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 as a sum of consecutive naturals, namely, 32722556 + 32722557.

It is an arithmetic number, because the mean of its divisors is an integer number (32722557).

Almost surely, 2^65445113 is an apocalyptic number.

It is an amenable number.

65445113 is a deficient number, since it is larger than the sum of its proper divisors (1).

65445113 is an equidigital number, since it uses as much as digits as its factorization.

65445113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 29.

The square root of 65445113 is about 8089.8153872632. The cubic root of 65445113 is about 402.9882720656.

Adding to 65445113 its reverse (31154456), we get a palindrome (96599569).

The spelling of 65445113 in words is "sixty-five million, four hundred forty-five thousand, one hundred thirteen".