65532249 has 12 divisors (see below), whose sum is σ = 94740516. Its totient is φ = 43649952.

The previous prime is 65532211. The next prime is 65532253. The reversal of 65532249 is 94223556.

It can be written as a sum of positive squares in 2 ways, for example, as 38937600 + 26594649 = 6240^2 + 5157^2 .

It is not a de Polignac number, because 65532249 - 2¹² = 65528153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65532149) 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 in 11 ways as a sum of consecutive naturals, for example, 10999 + ... + 15875.

It is an arithmetic number, because the mean of its divisors is an integer number (7895043).

Almost surely, 2^65532249 is an apocalyptic number.

It is an amenable number.

65532249 is a deficient number, since it is larger than the sum of its proper divisors (29208267).

65532249 is a wasteful number, since it uses less digits than its factorization.

65532249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6376 (or 6373 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 65532249 is about 8095.1991328194. The cubic root of 65532249 is about 403.1670438211.

The spelling of 65532249 in words is "sixty-five million, five hundred thirty-two thousand, two hundred forty-nine".