64967311 has 2 divisors, whose sum is σ = 64967312. Its totient is φ = 64967310.

The previous prime is 64967269. The next prime is 64967317. The reversal of 64967311 is 11376946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64967311 - 2⁹ = 64966799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64967317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32483655 + 32483656.

It is an arithmetic number, because the mean of its divisors is an integer number (32483656).

Almost surely, 2^64967311 is an apocalyptic number.

64967311 is a deficient number, since it is larger than the sum of its proper divisors (1).

64967311 is an equidigital number, since it uses as much as digits as its factorization.

64967311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 64967311 is about 8060.2302076305. The cubic root of 64967311 is about 402.0051627597.

The spelling of 64967311 in words is "sixty-four million, nine hundred sixty-seven thousand, three hundred eleven".