4578493 has 2 divisors, whose sum is σ = 4578494. Its totient is φ = 4578492.

The previous prime is 4578481. The next prime is 4578499. The reversal of 4578493 is 3948754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3755844 + 822649 = 1938^2 + 907^2 .

It is a cyclic number.

It is not a de Polignac number, because 4578493 - 2¹³ = 4570301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4578499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2289246 + 2289247.

It is an arithmetic number, because the mean of its divisors is an integer number (2289247).

Almost surely, 2^4578493 is an apocalyptic number.

It is an amenable number.

4578493 is a deficient number, since it is larger than the sum of its proper divisors (1).

4578493 is an equidigital number, since it uses as much as digits as its factorization.

4578493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 4578493 is about 2139.7413395081. The cubic root of 4578493 is about 166.0507538231.

The spelling of 4578493 in words is "four million, five hundred seventy-eight thousand, four hundred ninety-three".