65132449 has 2 divisors, whose sum is σ = 65132450. Its totient is φ = 65132448.

The previous prime is 65132447. The next prime is 65132453. The reversal of 65132449 is 94423156.

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., 62094400 + 3038049 = 7880^2 + 1743^2 .

It is a cyclic number.

It is not a de Polignac number, because 65132449 - 2¹ = 65132447 is a prime.

Together with 65132447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65132443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32566224 + 32566225.

It is an arithmetic number, because the mean of its divisors is an integer number (32566225).

Almost surely, 2^65132449 is an apocalyptic number.

It is an amenable number.

65132449 is a deficient number, since it is larger than the sum of its proper divisors (1).

65132449 is an equidigital number, since it uses as much as digits as its factorization.

65132449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 65132449 is about 8070.4677063972. The cubic root of 65132449 is about 402.3454885765.

The spelling of 65132449 in words is "sixty-five million, one hundred thirty-two thousand, four hundred forty-nine".