65395219 has 2 divisors, whose sum is σ = 65395220. Its totient is φ = 65395218.

The previous prime is 65395159. The next prime is 65395223. The reversal of 65395219 is 91259356.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65395219 - 2¹⁹ = 64870931 is a prime.

It is a super-2 number, since 2×65395219² = 8553069336115922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65395229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32697609 + 32697610.

It is an arithmetic number, because the mean of its divisors is an integer number (32697610).

Almost surely, 2^65395219 is an apocalyptic number.

65395219 is a deficient number, since it is larger than the sum of its proper divisors (1).

65395219 is an equidigital number, since it uses as much as digits as its factorization.

65395219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72900, while the sum is 40.

The square root of 65395219 is about 8086.7310453607. The cubic root of 65395219 is about 402.8858360561.

The spelling of 65395219 in words is "sixty-five million, three hundred ninety-five thousand, two hundred nineteen".