65529161 has 2 divisors, whose sum is σ = 65529162. Its totient is φ = 65529160.

The previous prime is 65529151. The next prime is 65529181. The reversal of 65529161 is 16192556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42823936 + 22705225 = 6544^2 + 4765^2 .

It is a cyclic number.

It is not a de Polignac number, because 65529161 - 2¹⁰ = 65528137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65529151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32764580 + 32764581.

It is an arithmetic number, because the mean of its divisors is an integer number (32764581).

Almost surely, 2^65529161 is an apocalyptic number.

It is an amenable number.

65529161 is a deficient number, since it is larger than the sum of its proper divisors (1).

65529161 is an equidigital number, since it uses as much as digits as its factorization.

65529161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 35.

The square root of 65529161 is about 8095.0084002427. The cubic root of 65529161 is about 403.1607110643.

The spelling of 65529161 in words is "sixty-five million, five hundred twenty-nine thousand, one hundred sixty-one".