2003226513 has 4 divisors (see below), whose sum is σ = 2670968688. Its totient is φ = 1335484340.

The previous prime is 2003226461. The next prime is 2003226517. The reversal of 2003226513 is 3156223002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2003226513 - 2¹⁴ = 2003210129 is a prime.

It is a super-2 number, since 2×2003226513² = 8025832924772278338, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2003226517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333871083 + ... + 333871088.

It is an arithmetic number, because the mean of its divisors is an integer number (667742172).

Almost surely, 2^2003226513 is an apocalyptic number.

It is an amenable number.

2003226513 is a deficient number, since it is larger than the sum of its proper divisors (667742175).

2003226513 is an equidigital number, since it uses as much as digits as its factorization.

2003226513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667742174.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2003226513 is about 44757.4185247541. The cubic root of 2003226513 is about 1260.5982111548.

Adding to 2003226513 its reverse (3156223002), we get a palindrome (5159449515).

The spelling of 2003226513 in words is "two billion, three million, two hundred twenty-six thousand, five hundred thirteen".