2003273 has 2 divisors, whose sum is σ = 2003274. Its totient is φ = 2003272.

The previous prime is 2003269. The next prime is 2003279. The reversal of 2003273 is 3723002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1926544 + 76729 = 1388^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003273 - 2² = 2003269 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2003279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001636 + 1001637.

It is an arithmetic number, because the mean of its divisors is an integer number (1001637).

2^2003273 is an apocalyptic number.

It is an amenable number.

2003273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003273 is an equidigital number, since it uses as much as digits as its factorization.

2003273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 2003273 is about 1415.3702695761. The cubic root of 2003273 is about 126.0607962253.

Adding to 2003273 its reverse (3723002), we get a palindrome (5726275).

The spelling of 2003273 in words is "two million, three thousand, two hundred seventy-three".