240002003 has 4 divisors (see below), whose sum is σ = 240048600. Its totient is φ = 239955408.

The previous prime is 240001997. The next prime is 240002083. The reversal of 240002003 is 300200042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240002003 - 2¹² = 239997907 is a prime.

It is a super-2 number, since 2×240002003² = 115201922888024018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240002083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14453 + ... + 26246.

It is an arithmetic number, because the mean of its divisors is an integer number (60012150).

Almost surely, 2^240002003 is an apocalyptic number.

240002003 is a deficient number, since it is larger than the sum of its proper divisors (46597).

240002003 is an equidigital number, since it uses as much as digits as its factorization.

240002003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46596.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 240002003 is about 15491.9980312418. The cubic root of 240002003 is about 621.4482300156.

Adding to 240002003 its reverse (300200042), we get a palindrome (540202045).

The spelling of 240002003 in words is "two hundred forty million, two thousand, three".