65632199 has 2 divisors, whose sum is σ = 65632200. Its totient is φ = 65632198.

The previous prime is 65632129. The next prime is 65632201. The reversal of 65632199 is 99123656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65632199 - 2¹² = 65628103 is a prime.

Together with 65632201, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65632129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32816099 + 32816100.

It is an arithmetic number, because the mean of its divisors is an integer number (32816100).

Almost surely, 2^65632199 is an apocalyptic number.

65632199 is a deficient number, since it is larger than the sum of its proper divisors (1).

65632199 is an equidigital number, since it uses as much as digits as its factorization.

65632199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 41.

The square root of 65632199 is about 8101.3701927513. The cubic root of 65632199 is about 403.3719102657.

The spelling of 65632199 in words is "sixty-five million, six hundred thirty-two thousand, one hundred ninety-nine".