2642003 has 8 divisors (see below), whose sum is σ = 3251808. Its totient is φ = 2090304.

The previous prime is 2641993. The next prime is 2642039. The reversal of 2642003 is 3002462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2642003 - 2⁶ = 2641939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2642063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14426 + ... + 14607.

It is an arithmetic number, because the mean of its divisors is an integer number (406476).

2^2642003 is an apocalyptic number.

2642003 is a deficient number, since it is larger than the sum of its proper divisors (609805).

2642003 is a wasteful number, since it uses less digits than its factorization.

2642003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29053.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2642003 is about 1625.4239446987. The cubic root of 2642003 is about 138.2434092432.

Adding to 2642003 its reverse (3002462), we get a palindrome (5644465).

The spelling of 2642003 in words is "two million, six hundred forty-two thousand, three".