1965063 has 4 divisors (see below), whose sum is σ = 2620088. Its totient is φ = 1310040.

The previous prime is 1964987. The next prime is 1965077. The reversal of 1965063 is 3605691.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1965063 is a prime.

It is a super-2 number, since 2×1965063² = 7722945187938, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1965063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1965263) 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 in 3 ways as a sum of consecutive naturals, for example, 327508 + ... + 327513.

It is an arithmetic number, because the mean of its divisors is an integer number (655022).

2^1965063 is an apocalyptic number.

1965063 is a deficient number, since it is larger than the sum of its proper divisors (655025).

1965063 is an equidigital number, since it uses as much as digits as its factorization.

1965063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655024.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 1965063 is about 1401.8070480633. The cubic root of 1965063 is about 125.2541602038.

The spelling of 1965063 in words is "one million, nine hundred sixty-five thousand, sixty-three".