65043851 has 2 divisors, whose sum is σ = 65043852. Its totient is φ = 65043850.

The previous prime is 65043833. The next prime is 65043857. The reversal of 65043851 is 15834056.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65043851 - 2¹⁴ = 65027467 is a prime.

It is not a weakly prime, because it can be changed into another prime (65043857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32521925 + 32521926.

It is an arithmetic number, because the mean of its divisors is an integer number (32521926).

Almost surely, 2^65043851 is an apocalyptic number.

65043851 is a deficient number, since it is larger than the sum of its proper divisors (1).

65043851 is an equidigital number, since it uses as much as digits as its factorization.

65043851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 65043851 is about 8064.9768133579. The cubic root of 65043851 is about 402.1629723776.

The spelling of 65043851 in words is "sixty-five million, forty-three thousand, eight hundred fifty-one".