2183641 has 2 divisors, whose sum is σ = 2183642. Its totient is φ = 2183640.

The previous prime is 2183593. The next prime is 2183663. The reversal of 2183641 is 1463812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1550025 + 633616 = 1245^2 + 796^2 .

It is a cyclic number.

It is not a de Polignac number, because 2183641 - 2¹³ = 2175449 is a prime.

It is equal to p₁₆₁₅₅₇ and since 2183641 and 161557 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 (2183681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1091820 + 1091821.

It is an arithmetic number, because the mean of its divisors is an integer number (1091821).

2^2183641 is an apocalyptic number.

It is an amenable number.

2183641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2183641 is an equidigital number, since it uses as much as digits as its factorization.

2183641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 25.

The square root of 2183641 is about 1477.7147898021. The cubic root of 2183641 is about 129.7359730060.

The spelling of 2183641 in words is "two million, one hundred eighty-three thousand, six hundred forty-one".