2190063 has 4 divisors (see below), whose sum is σ = 2920088. Its totient is φ = 1460040.

The previous prime is 2190047. The next prime is 2190077. The reversal of 2190063 is 3600912.

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

It is not a de Polignac number, because 2190063 - 2⁴ = 2190047 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190043) 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, 365008 + ... + 365013.

It is an arithmetic number, because the mean of its divisors is an integer number (730022).

2^2190063 is an apocalyptic number.

2190063 is a deficient number, since it is larger than the sum of its proper divisors (730025).

2190063 is an equidigital number, since it uses as much as digits as its factorization.

2190063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730024.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2190063 is about 1479.8861442692. The cubic root of 2190063 is about 129.8630312821.

Adding to 2190063 its reverse (3600912), we get a palindrome (5790975).

The spelling of 2190063 in words is "two million, one hundred ninety thousand, sixty-three".