2099453 has 2 divisors, whose sum is σ = 2099454. Its totient is φ = 2099452.

The previous prime is 2099441. The next prime is 2099467. The reversal of 2099453 is 3549902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1968409 + 131044 = 1403^2 + 362^2 .

It is a cyclic number.

It is not a de Polignac number, because 2099453 - 2⁸ = 2099197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2093453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049726 + 1049727.

It is an arithmetic number, because the mean of its divisors is an integer number (1049727).

2^2099453 is an apocalyptic number.

It is an amenable number.

2099453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099453 is an equidigital number, since it uses as much as digits as its factorization.

2099453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 2099453 is about 1448.9489293968. The cubic root of 2099453 is about 128.0467968538.

It can be divided in two parts, 2099 and 453, that added together give a palindrome (2552).

The spelling of 2099453 in words is "two million, ninety-nine thousand, four hundred fifty-three".