65449 has 2 divisors, whose sum is σ = 65450. Its totient is φ = 65448.

The previous prime is 65447. The next prime is 65479. The reversal of 65449 is 94456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59049 + 6400 = 243^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 65449 - 2¹ = 65447 is a prime.

Together with 65447, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 14.

It is a nialpdrome in base 4 and base 16.

It is not a weakly prime, because it can be changed into another prime (65447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32724 + 32725.

It is an arithmetic number, because the mean of its divisors is an integer number (32725).

2⁶⁵⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

65449 is a deficient number, since it is larger than the sum of its proper divisors (1).

65449 is an equidigital number, since it uses as much as digits as its factorization.

65449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 65449 is about 255.8300216941. The cubic root of 65449 is about 40.2996250173.

It can be divided in two parts, 654 and 49, that added together give a triangular number (703 = T₃₇).

The spelling of 65449 in words is "sixty-five thousand, four hundred forty-nine".