2112530003 has 4 divisors (see below), whose sum is σ = 2112689040. Its totient is φ = 2112370968.

The previous prime is 2112529957. The next prime is 2112530023. The reversal of 2112530003 is 3000352112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112530003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112530023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57575 + ... + 86832.

It is an arithmetic number, because the mean of its divisors is an integer number (528172260).

Almost surely, 2^2112530003 is an apocalyptic number.

2112530003 is a deficient number, since it is larger than the sum of its proper divisors (159037).

2112530003 is a wasteful number, since it uses less digits than its factorization.

2112530003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159036.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 2112530003 is about 45962.2671655783. The cubic root of 2112530003 is about 1283.1210464322.

Adding to 2112530003 its reverse (3000352112), we get a palindrome (5112882115).

The spelling of 2112530003 in words is "two billion, one hundred twelve million, five hundred thirty thousand, three".