4045577 has 2 divisors, whose sum is σ = 4045578. Its totient is φ = 4045576.

The previous prime is 4045567. The next prime is 4045583. The reversal of 4045577 is 7755404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2468041 + 1577536 = 1571^2 + 1256^2 .

It is a cyclic number.

It is not a de Polignac number, because 4045577 - 2¹⁰ = 4044553 is a prime.

It is not a weakly prime, because it can be changed into another prime (4045567) 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, 2022788 + 2022789.

It is an arithmetic number, because the mean of its divisors is an integer number (2022789).

Almost surely, 2^4045577 is an apocalyptic number.

It is an amenable number.

4045577 is a deficient number, since it is larger than the sum of its proper divisors (1).

4045577 is an equidigital number, since it uses as much as digits as its factorization.

4045577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 4045577 is about 2011.3619763732. The cubic root of 4045577 is about 159.3407378355.

The spelling of 4045577 in words is "four million, forty-five thousand, five hundred seventy-seven".