4505993 has 2 divisors, whose sum is σ = 4505994. Its totient is φ = 4505992.

The previous prime is 4505947. The next prime is 4506001. The reversal of 4505993 is 3995054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2729104 + 1776889 = 1652^2 + 1333^2 .

It is a cyclic number.

It is not a de Polignac number, because 4505993 - 2⁶ = 4505929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4505393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2252996 + 2252997.

It is an arithmetic number, because the mean of its divisors is an integer number (2252997).

Almost surely, 2^4505993 is an apocalyptic number.

It is an amenable number.

4505993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4505993 is an equidigital number, since it uses as much as digits as its factorization.

4505993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 4505993 is about 2122.7324372139. The cubic root of 4505993 is about 165.1696204888.

The spelling of 4505993 in words is "four million, five hundred five thousand, nine hundred ninety-three".