4527641 has 2 divisors, whose sum is σ = 4527642. Its totient is φ = 4527640.

The previous prime is 4527637. The next prime is 4527673. The reversal of 4527641 is 1467254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2876416 + 1651225 = 1696^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 4527641 - 2² = 4527637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p₃₁₇₇₂₉ and since 4527641 and 317729 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (4527541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2263820 + 2263821.

It is an arithmetic number, because the mean of its divisors is an integer number (2263821).

Almost surely, 2^4527641 is an apocalyptic number.

It is an amenable number.

4527641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4527641 is an equidigital number, since it uses as much as digits as its factorization.

4527641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 4527641 is about 2127.8254157708. The cubic root of 4527641 is about 165.4337044279.

The spelling of 4527641 in words is "four million, five hundred twenty-seven thousand, six hundred forty-one".