2002993 has 2 divisors, whose sum is σ = 2002994. Its totient is φ = 2002992.

The previous prime is 2002969. The next prime is 2002997. The reversal of 2002993 is 3992002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1760929 + 242064 = 1327^2 + 492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001496 + 1001497.

It is an arithmetic number, because the mean of its divisors is an integer number (1001497).

2^2002993 is an apocalyptic number.

It is an amenable number.

2002993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002993 is an equidigital number, since it uses as much as digits as its factorization.

2002993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 2002993 is about 1415.2713520735. The cubic root of 2002993 is about 126.0549227260.

Adding to 2002993 its reverse (3992002), we get a palindrome (5994995).

The spelling of 2002993 in words is "two million, two thousand, nine hundred ninety-three".