4581977 has 2 divisors, whose sum is σ = 4581978. Its totient is φ = 4581976.

The previous prime is 4581947. The next prime is 4582049. The reversal of 4581977 is 7791854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2343961 + 2238016 = 1531^2 + 1496^2 .

It is a cyclic number.

It is not a de Polignac number, because 4581977 - 2²⁰ = 3533401 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4581937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2290988 + 2290989.

It is an arithmetic number, because the mean of its divisors is an integer number (2290989).

Almost surely, 2^4581977 is an apocalyptic number.

It is an amenable number.

4581977 is a deficient number, since it is larger than the sum of its proper divisors (1).

4581977 is an equidigital number, since it uses as much as digits as its factorization.

4581977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 41.

The square root of 4581977 is about 2140.5553017850. Note that the first 3 decimals coincide. The cubic root of 4581977 is about 166.0928618665.

The spelling of 4581977 in words is "four million, five hundred eighty-one thousand, nine hundred seventy-seven".