2506006003 has 4 divisors (see below), whose sum is σ = 2509379568. Its totient is φ = 2502632440.

The previous prime is 2506006001. The next prime is 2506006021. The reversal of 2506006003 is 3006006052.

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 2506006003 - 2¹ = 2506006001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2506006001) 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, 1685668 + ... + 1687153.

It is an arithmetic number, because the mean of its divisors is an integer number (627344892).

Almost surely, 2^2506006003 is an apocalyptic number.

2506006003 is a deficient number, since it is larger than the sum of its proper divisors (3373565).

2506006003 is an equidigital number, since it uses as much as digits as its factorization.

2506006003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373564.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2506006003 is about 50060.0240011928. The cubic root of 2506006003 is about 1358.2947924612.

The spelling of 2506006003 in words is "two billion, five hundred six million, six thousand, three".