64282091 has 2 divisors, whose sum is σ = 64282092. Its totient is φ = 64282090.

The previous prime is 64282039. The next prime is 64282133. The reversal of 64282091 is 19028246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64282091 - 2¹⁸ = 64019947 is a prime.

It is not a weakly prime, because it can be changed into another prime (64282021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32141045 + 32141046.

It is an arithmetic number, because the mean of its divisors is an integer number (32141046).

Almost surely, 2^64282091 is an apocalyptic number.

64282091 is a deficient number, since it is larger than the sum of its proper divisors (1).

64282091 is an equidigital number, since it uses as much as digits as its factorization.

64282091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 64282091 is about 8017.6113026262. The cubic root of 64282091 is about 400.5868282439.

The spelling of 64282091 in words is "sixty-four million, two hundred eighty-two thousand, ninety-one".