2003332381 has 2 divisors, whose sum is σ = 2003332382. Its totient is φ = 2003332380.

The previous prime is 2003332349. The next prime is 2003332421. The reversal of 2003332381 is 1832333002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2000325625 + 3006756 = 44725^2 + 1734^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003332381 - 2⁵ = 2003332349 is a prime.

It is a super-2 number, since 2×2003332381² = 8026681257526258322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003332081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001666190 + 1001666191.

It is an arithmetic number, because the mean of its divisors is an integer number (1001666191).

Almost surely, 2^2003332381 is an apocalyptic number.

It is an amenable number.

2003332381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003332381 is an equidigital number, since it uses as much as digits as its factorization.

2003332381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 2003332381 is about 44758.6011957478. The cubic root of 2003332381 is about 1260.6204177732.

Adding to 2003332381 its reverse (1832333002), we get a palindrome (3835665383).

The spelling of 2003332381 in words is "two billion, three million, three hundred thirty-two thousand, three hundred eighty-one".