4540993 has 2 divisors, whose sum is σ = 4540994. Its totient is φ = 4540992.

The previous prime is 4540979. The next prime is 4540997. The reversal of 4540993 is 3990454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2985984 + 1555009 = 1728^2 + 1247^2 .

It is a cyclic number.

It is not a de Polignac number, because 4540993 - 2¹⁷ = 4409921 is a prime.

It is not a weakly prime, because it can be changed into another prime (4540997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270496 + 2270497.

It is an arithmetic number, because the mean of its divisors is an integer number (2270497).

Almost surely, 2^4540993 is an apocalyptic number.

It is an amenable number.

4540993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540993 is an equidigital number, since it uses as much as digits as its factorization.

4540993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 4540993 is about 2130.9605815219. The cubic root of 4540993 is about 165.5961660022.

The spelling of 4540993 in words is "four million, five hundred forty thousand, nine hundred ninety-three".