1642063 has 4 divisors (see below), whose sum is σ = 1652680. Its totient is φ = 1631448.

The previous prime is 1642057. The next prime is 1642079. The reversal of 1642063 is 3602461.

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

It is a cyclic number.

It is not a de Polignac number, because 1642063 - 2⁵ = 1642031 is a prime.

It is a Duffinian number.

1642063 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5073 + ... + 5386.

It is an arithmetic number, because the mean of its divisors is an integer number (413170).

2^1642063 is an apocalyptic number.

1642063 is a deficient number, since it is larger than the sum of its proper divisors (10617).

1642063 is a wasteful number, since it uses less digits than its factorization.

1642063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10616.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1642063 is about 1281.4300605183. The cubic root of 1642063 is about 117.9767980811.

The spelling of 1642063 in words is "one million, six hundred forty-two thousand, sixty-three".