2126573 has 2 divisors, whose sum is σ = 2126574. Its totient is φ = 2126572.

The previous prime is 2126567. The next prime is 2126587. The reversal of 2126573 is 3756212.

2126573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1605289 + 521284 = 1267^2 + 722^2 .

It is a cyclic number.

It is not a de Polignac number, because 2126573 - 2⁸ = 2126317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2126273) 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 as a sum of consecutive naturals, namely, 1063286 + 1063287.

It is an arithmetic number, because the mean of its divisors is an integer number (1063287).

2^2126573 is an apocalyptic number.

It is an amenable number.

2126573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126573 is an equidigital number, since it uses as much as digits as its factorization.

2126573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 2126573 is about 1458.2774084515. The cubic root of 2126573 is about 128.5957942652.

The spelling of 2126573 in words is "two million, one hundred twenty-six thousand, five hundred seventy-three".