2193553 has 2 divisors, whose sum is σ = 2193554. Its totient is φ = 2193552.

The previous prime is 2193547. The next prime is 2193557. The reversal of 2193553 is 3553912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1993744 + 199809 = 1412^2 + 447^2 .

It is a cyclic number.

It is not a de Polignac number, because 2193553 - 2⁹ = 2193041 is a prime.

It is not a weakly prime, because it can be changed into another prime (2193557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1096776 + 1096777.

It is an arithmetic number, because the mean of its divisors is an integer number (1096777).

2^2193553 is an apocalyptic number.

It is an amenable number.

2193553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2193553 is an equidigital number, since it uses as much as digits as its factorization.

2193553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 28.

The square root of 2193553 is about 1481.0648196484. The cubic root of 2193553 is about 129.9319762464.

The spelling of 2193553 in words is "two million, one hundred ninety-three thousand, five hundred fifty-three".