65950811 has 2 divisors, whose sum is σ = 65950812. Its totient is φ = 65950810.

The previous prime is 65950799. The next prime is 65950861. The reversal of 65950811 is 11805956.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65950811 - 2⁶ = 65950747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65950861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32975405 + 32975406.

It is an arithmetic number, because the mean of its divisors is an integer number (32975406).

Almost surely, 2^65950811 is an apocalyptic number.

65950811 is a deficient number, since it is larger than the sum of its proper divisors (1).

65950811 is an equidigital number, since it uses as much as digits as its factorization.

65950811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 65950811 is about 8121.0104666845. The cubic root of 65950811 is about 404.0235808704.

The spelling of 65950811 in words is "sixty-five million, nine hundred fifty thousand, eight hundred eleven".