65870369 has 2 divisors, whose sum is σ = 65870370. Its totient is φ = 65870368.

The previous prime is 65870351. The next prime is 65870401. The reversal of 65870369 is 96307856.

65870369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53479969 + 12390400 = 7313^2 + 3520^2 .

It is a cyclic number.

It is not a de Polignac number, because 65870369 - 2²⁴ = 49093153 is a prime.

It is a super-2 number, since 2×65870369² = 8677811024392322, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (65870669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32935184 + 32935185.

It is an arithmetic number, because the mean of its divisors is an integer number (32935185).

Almost surely, 2^65870369 is an apocalyptic number.

It is an amenable number.

65870369 is a deficient number, since it is larger than the sum of its proper divisors (1).

65870369 is an equidigital number, since it uses as much as digits as its factorization.

65870369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 65870369 is about 8116.0562467248. The cubic root of 65870369 is about 403.8592478508.

The spelling of 65870369 in words is "sixty-five million, eight hundred seventy thousand, three hundred sixty-nine".