2130673 has 2 divisors, whose sum is σ = 2130674. Its totient is φ = 2130672.

The previous prime is 2130671. The next prime is 2130683. The reversal of 2130673 is 3760312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2093809 + 36864 = 1447^2 + 192^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130673 - 2¹ = 2130671 is a prime.

Together with 2130671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2130671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065336 + 1065337.

It is an arithmetic number, because the mean of its divisors is an integer number (1065337).

2^2130673 is an apocalyptic number.

It is an amenable number.

2130673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130673 is an equidigital number, since it uses as much as digits as its factorization.

2130673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 2130673 is about 1459.6824997238. The cubic root of 2130673 is about 128.6783847806.

Adding to 2130673 its reverse (3760312), we get a palindrome (5890985).

The spelling of 2130673 in words is "two million, one hundred thirty thousand, six hundred seventy-three".