2101673 has 4 divisors (see below), whose sum is σ = 2401920. Its totient is φ = 1801428.

The previous prime is 2101669. The next prime is 2101681. The reversal of 2101673 is 3761012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2101673 - 2² = 2101669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150113 + ... + 150126.

It is an arithmetic number, because the mean of its divisors is an integer number (600480).

2^2101673 is an apocalyptic number.

It is an amenable number.

2101673 is a deficient number, since it is larger than the sum of its proper divisors (300247).

2101673 is an equidigital number, since it uses as much as digits as its factorization.

2101673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300246.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2101673 is about 1449.7147995382. The cubic root of 2101673 is about 128.0919139633.

Adding to 2101673 its reverse (3761012), we get a palindrome (5862685).

The spelling of 2101673 in words is "two million, one hundred one thousand, six hundred seventy-three".