4557881 has 2 divisors, whose sum is σ = 4557882. Its totient is φ = 4557880.

The previous prime is 4557857. The next prime is 4557893. The reversal of 4557881 is 1887554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4080400 + 477481 = 2020^2 + 691^2 .

It is a cyclic number.

It is not a de Polignac number, because 4557881 - 2¹⁴ = 4541497 is a prime.

It is a super-2 number, since 2×4557881² = 41548558420322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4557821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2278940 + 2278941.

It is an arithmetic number, because the mean of its divisors is an integer number (2278941).

Almost surely, 2^4557881 is an apocalyptic number.

It is an amenable number.

4557881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4557881 is an equidigital number, since it uses as much as digits as its factorization.

4557881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44800, while the sum is 38.

The square root of 4557881 is about 2134.9194364191. The cubic root of 4557881 is about 165.8011966604.

The spelling of 4557881 in words is "four million, five hundred fifty-seven thousand, eight hundred eighty-one".