7045553 has 2 divisors, whose sum is σ = 7045554. Its totient is φ = 7045552.

The previous prime is 7045547. The next prime is 7045589. The reversal of 7045553 is 3555407.

7045553 is digitally balanced in base 3, 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., 6091024 + 954529 = 2468^2 + 977^2 .

It is a cyclic number.

It is not a de Polignac number, because 7045553 - 2⁴ = 7045537 is a prime.

It is not a weakly prime, because it can be changed into another prime (7045453) 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, 3522776 + 3522777.

It is an arithmetic number, because the mean of its divisors is an integer number (3522777).

Almost surely, 2^7045553 is an apocalyptic number.

It is an amenable number.

7045553 is a deficient number, since it is larger than the sum of its proper divisors (1).

7045553 is an equidigital number, since it uses as much as digits as its factorization.

7045553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 7045553 is about 2654.3460588250. The cubic root of 7045553 is about 191.7071726195.

The spelling of 7045553 in words is "seven million, forty-five thousand, five hundred fifty-three".