65430199 has 2 divisors, whose sum is σ = 65430200. Its totient is φ = 65430198.

The previous prime is 65430187. The next prime is 65430203. The reversal of 65430199 is 99103456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65430199 - 2¹¹ = 65428151 is a prime.

It is a super-2 number, since 2×65430199² = 8562221882359202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65430149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32715099 + 32715100.

It is an arithmetic number, because the mean of its divisors is an integer number (32715100).

Almost surely, 2^65430199 is an apocalyptic number.

65430199 is a deficient number, since it is larger than the sum of its proper divisors (1).

65430199 is an equidigital number, since it uses as much as digits as its factorization.

65430199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 65430199 is about 8088.8935584541. The cubic root of 65430199 is about 402.9576579962.

The spelling of 65430199 in words is "sixty-five million, four hundred thirty thousand, one hundred ninety-nine".