65001019 has 2 divisors, whose sum is σ = 65001020. Its totient is φ = 65001018.

The previous prime is 65000989. The next prime is 65001037. The reversal of 65001019 is 91010056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65001019 - 2¹⁷ = 64869947 is a prime.

It is a super-2 number, since 2×65001019² = 8450264942076722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65001089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32500509 + 32500510.

It is an arithmetic number, because the mean of its divisors is an integer number (32500510).

Almost surely, 2^65001019 is an apocalyptic number.

65001019 is a deficient number, since it is larger than the sum of its proper divisors (1).

65001019 is an equidigital number, since it uses as much as digits as its factorization.

65001019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 65001019 is about 8062.3209437481. The cubic root of 65001019 is about 402.0746769349.

The spelling of 65001019 in words is "sixty-five million, one thousand, nineteen".