4565749 has 2 divisors, whose sum is σ = 4565750. Its totient is φ = 4565748.

The previous prime is 4565723. The next prime is 4565761. The reversal of 4565749 is 9475654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4100625 + 465124 = 2025^2 + 682^2 .

It is a cyclic number.

It is not a de Polignac number, because 4565749 - 2⁷ = 4565621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4565549) 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, 2282874 + 2282875.

It is an arithmetic number, because the mean of its divisors is an integer number (2282875).

Almost surely, 2^4565749 is an apocalyptic number.

It is an amenable number.

4565749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4565749 is an equidigital number, since it uses as much as digits as its factorization.

4565749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 4565749 is about 2136.7613343563. The cubic root of 4565749 is about 165.8965460778.

The spelling of 4565749 in words is "four million, five hundred sixty-five thousand, seven hundred forty-nine".