65346389 has 2 divisors, whose sum is σ = 65346390. Its totient is φ = 65346388.

The previous prime is 65346349. The next prime is 65346401. The reversal of 65346389 is 98364356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44488900 + 20857489 = 6670^2 + 4567^2 .

It is a cyclic number.

It is not a de Polignac number, because 65346389 - 2¹² = 65342293 is a prime.

It is a super-3 number, since 3×65346389³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65346319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32673194 + 32673195.

It is an arithmetic number, because the mean of its divisors is an integer number (32673195).

Almost surely, 2^65346389 is an apocalyptic number.

It is an amenable number.

65346389 is a deficient number, since it is larger than the sum of its proper divisors (1).

65346389 is an equidigital number, since it uses as much as digits as its factorization.

65346389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 44.

The square root of 65346389 is about 8083.7113382406. The cubic root of 65346389 is about 402.7855340552.

The spelling of 65346389 in words is "sixty-five million, three hundred forty-six thousand, three hundred eighty-nine".