3023681 has 2 divisors, whose sum is σ = 3023682. Its totient is φ = 3023680.

The previous prime is 3023659. The next prime is 3023687. The reversal of 3023681 is 1863203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3010225 + 13456 = 1735^2 + 116^2 .

It is a cyclic number.

It is not a de Polignac number, because 3023681 - 2⁶ = 3023617 is a prime.

It is a super-3 number, since 3×3023681³ = 82933342163733990723, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is an Ulam number.

It is equal to p₂₁₈₃₉₀ and since 3023681 and 218390 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 (3023687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1511840 + 1511841.

It is an arithmetic number, because the mean of its divisors is an integer number (1511841).

Almost surely, 2^3023681 is an apocalyptic number.

It is an amenable number.

3023681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3023681 is an equidigital number, since it uses as much as digits as its factorization.

3023681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3023681 is about 1738.8734859098. The cubic root of 3023681 is about 144.6034507816.

Adding to 3023681 its reverse (1863203), we get a palindrome (4886884).

The spelling of 3023681 in words is "three million, twenty-three thousand, six hundred eighty-one".