4577861 has 2 divisors, whose sum is σ = 4577862. Its totient is φ = 4577860.

The previous prime is 4577849. The next prime is 4577887. The reversal of 4577861 is 1687754.

4577861 is nontrivially palindromic in base 11.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3062500 + 1515361 = 1750^2 + 1231^2 .

It is a cyclic number.

It is not a de Polignac number, because 4577861 - 2¹⁴ = 4561477 is a prime.

It is a super-2 number, since 2×4577861² = 41913622670642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4577821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2288930 + 2288931.

It is an arithmetic number, because the mean of its divisors is an integer number (2288931).

Almost surely, 2^4577861 is an apocalyptic number.

It is an amenable number.

4577861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4577861 is an equidigital number, since it uses as much as digits as its factorization.

4577861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 38.

The square root of 4577861 is about 2139.5936530098. The cubic root of 4577861 is about 166.0431131062.

The spelling of 4577861 in words is "four million, five hundred seventy-seven thousand, eight hundred sixty-one".