4003361 has 2 divisors, whose sum is σ = 4003362. Its totient is φ = 4003360.

The previous prime is 4003333. The next prime is 4003387. The reversal of 4003361 is 1633004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2085136 + 1918225 = 1444^2 + 1385^2 .

It is a cyclic number.

It is not a de Polignac number, because 4003361 - 2⁶ = 4003297 is a prime.

It is not a weakly prime, because it can be changed into another prime (4003861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001680 + 2001681.

It is an arithmetic number, because the mean of its divisors is an integer number (2001681).

Almost surely, 2^4003361 is an apocalyptic number.

It is an amenable number.

4003361 is a deficient number, since it is larger than the sum of its proper divisors (1).

4003361 is an equidigital number, since it uses as much as digits as its factorization.

4003361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 4003361 is about 2000.8400735691. The cubic root of 4003361 is about 158.7845532078.

Adding to 4003361 its reverse (1633004), we get a palindrome (5636365).

The spelling of 4003361 in words is "four million, three thousand, three hundred sixty-one".