2662003 has 4 divisors (see below), whose sum is σ = 2699568. Its totient is φ = 2624440.

The previous prime is 2661991. The next prime is 2662027. The reversal of 2662003 is 3002662.

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 2662003 - 2¹³ = 2653811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662103) 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, 18676 + ... + 18817.

It is an arithmetic number, because the mean of its divisors is an integer number (674892).

2^2662003 is an apocalyptic number.

2662003 is a deficient number, since it is larger than the sum of its proper divisors (37565).

2662003 is an equidigital number, since it uses as much as digits as its factorization.

2662003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37564.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2662003 is about 1631.5645865242. The cubic root of 2662003 is about 138.5913675513.

Adding to 2662003 its reverse (3002662), we get a palindrome (5664665).

The spelling of 2662003 in words is "two million, six hundred sixty-two thousand, three".