65530099 has 2 divisors, whose sum is σ = 65530100. Its totient is φ = 65530098.

The previous prime is 65530097. The next prime is 65530109. The reversal of 65530099 is 99003556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65530099 - 2¹ = 65530097 is a prime.

Together with 65530097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65530093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32765049 + 32765050.

It is an arithmetic number, because the mean of its divisors is an integer number (32765050).

Almost surely, 2^65530099 is an apocalyptic number.

65530099 is a deficient number, since it is larger than the sum of its proper divisors (1).

65530099 is an equidigital number, since it uses as much as digits as its factorization.

65530099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 65530099 is about 8095.0663369734. The cubic root of 65530099 is about 403.1626347013.

The spelling of 65530099 in words is "sixty-five million, five hundred thirty thousand, ninety-nine".