4613881 has 2 divisors, whose sum is σ = 4613882. Its totient is φ = 4613880.

The previous prime is 4613803. The next prime is 4613891. The reversal of 4613881 is 1883164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3767481 + 846400 = 1941^2 + 920^2 .

It is a cyclic number.

It is not a de Polignac number, because 4613881 - 2⁷ = 4613753 is a prime.

It is a super-2 number, since 2×4613881² = 42575795764322, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4613891) 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, 2306940 + 2306941.

It is an arithmetic number, because the mean of its divisors is an integer number (2306941).

Almost surely, 2^4613881 is an apocalyptic number.

It is an amenable number.

4613881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4613881 is an equidigital number, since it uses as much as digits as its factorization.

4613881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 31.

The square root of 4613881 is about 2147.9946461758. The cubic root of 4613881 is about 166.4774684165.

The spelling of 4613881 in words is "four million, six hundred thirteen thousand, eight hundred eighty-one".