65530771 has 2 divisors, whose sum is σ = 65530772. Its totient is φ = 65530770.

The previous prime is 65530739. The next prime is 65530793. The reversal of 65530771 is 17703556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65530771 - 2⁵ = 65530739 is a prime.

It is not a weakly prime, because it can be changed into another prime (65530711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32765385 + 32765386.

It is an arithmetic number, because the mean of its divisors is an integer number (32765386).

Almost surely, 2^65530771 is an apocalyptic number.

65530771 is a deficient number, since it is larger than the sum of its proper divisors (1).

65530771 is an equidigital number, since it uses as much as digits as its factorization.

65530771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 65530771 is about 8095.1078436300. The cubic root of 65530771 is about 403.1640128179.

The spelling of 65530771 in words is "sixty-five million, five hundred thirty thousand, seven hundred seventy-one".