64282891 has 2 divisors, whose sum is σ = 64282892. Its totient is φ = 64282890.

The previous prime is 64282877. The next prime is 64282901. The reversal of 64282891 is 19828246.

64282891 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 64282891 - 2¹³ = 64274699 is a prime.

It is not a weakly prime, because it can be changed into another prime (64282091) 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, 32141445 + 32141446.

It is an arithmetic number, because the mean of its divisors is an integer number (32141446).

Almost surely, 2^64282891 is an apocalyptic number.

64282891 is a deficient number, since it is larger than the sum of its proper divisors (1).

64282891 is an equidigital number, since it uses as much as digits as its factorization.

64282891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 40.

The square root of 64282891 is about 8017.6611926422. The cubic root of 64282891 is about 400.5884900241.

The spelling of 64282891 in words is "sixty-four million, two hundred eighty-two thousand, eight hundred ninety-one".