65851411 has 2 divisors, whose sum is σ = 65851412. Its totient is φ = 65851410.

The previous prime is 65851403. The next prime is 65851417. The reversal of 65851411 is 11415856.

65851411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65851411 - 2³ = 65851403 is a prime.

It is not a weakly prime, because it can be changed into another prime (65851417) 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, 32925705 + 32925706.

It is an arithmetic number, because the mean of its divisors is an integer number (32925706).

Almost surely, 2^65851411 is an apocalyptic number.

65851411 is a deficient number, since it is larger than the sum of its proper divisors (1).

65851411 is an equidigital number, since it uses as much as digits as its factorization.

65851411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 31.

The square root of 65851411 is about 8114.8882309000. Note that the first 3 decimals coincide. The cubic root of 65851411 is about 403.8204995316.

The spelling of 65851411 in words is "sixty-five million, eight hundred fifty-one thousand, four hundred eleven".