65380849 has 2 divisors, whose sum is σ = 65380850. Its totient is φ = 65380848.

The previous prime is 65380841. The next prime is 65380897. The reversal of 65380849 is 94808356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64240225 + 1140624 = 8015^2 + 1068^2 .

It is a cyclic number.

It is not a de Polignac number, because 65380849 - 2³ = 65380841 is a prime.

It is not a weakly prime, because it can be changed into another prime (65380841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32690424 + 32690425.

It is an arithmetic number, because the mean of its divisors is an integer number (32690425).

Almost surely, 2^65380849 is an apocalyptic number.

It is an amenable number.

65380849 is a deficient number, since it is larger than the sum of its proper divisors (1).

65380849 is an equidigital number, since it uses as much as digits as its factorization.

65380849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 65380849 is about 8085.8425040314. The cubic root of 65380849 is about 402.8563237377.

The spelling of 65380849 in words is "sixty-five million, three hundred eighty thousand, eight hundred forty-nine".