2845553 has 2 divisors, whose sum is σ = 2845554. Its totient is φ = 2845552.

The previous prime is 2845547. The next prime is 2845561. The reversal of 2845553 is 3555482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2598544 + 247009 = 1612^2 + 497^2 .

It is a cyclic number.

It is not a de Polignac number, because 2845553 - 2¹² = 2841457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2845853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1422776 + 1422777.

It is an arithmetic number, because the mean of its divisors is an integer number (1422777).

2^2845553 is an apocalyptic number.

It is an amenable number.

2845553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2845553 is an equidigital number, since it uses as much as digits as its factorization.

2845553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24000, while the sum is 32.

The square root of 2845553 is about 1686.8766997027. The cubic root of 2845553 is about 141.7062133346.

The spelling of 2845553 in words is "two million, eight hundred forty-five thousand, five hundred fifty-three".