4538657 has 2 divisors, whose sum is σ = 4538658. Its totient is φ = 4538656.

The previous prime is 4538641. The next prime is 4538669. The reversal of 4538657 is 7568354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3530641 + 1008016 = 1879^2 + 1004^2 .

It is a cyclic number.

It is not a de Polignac number, because 4538657 - 2⁴ = 4538641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4538657.

It is not a weakly prime, because it can be changed into another prime (4538627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269328 + 2269329.

It is an arithmetic number, because the mean of its divisors is an integer number (2269329).

Almost surely, 2^4538657 is an apocalyptic number.

It is an amenable number.

4538657 is a deficient number, since it is larger than the sum of its proper divisors (1).

4538657 is an equidigital number, since it uses as much as digits as its factorization.

4538657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 38.

The square root of 4538657 is about 2130.4124013909. The cubic root of 4538657 is about 165.5677655331.

The spelling of 4538657 in words is "four million, five hundred thirty-eight thousand, six hundred fifty-seven".