2100503245 has 8 divisors (see below), whose sum is σ = 2534686560. Its totient is φ = 1671014160.

The previous prime is 2100503243. The next prime is 2100503297. The reversal of 2100503245 is 5423050012.

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

It is not a de Polignac number, because 2100503245 - 2¹ = 2100503243 is a prime.

It is a super-2 number, since 2×2100503245² = 8824227764511060050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100503243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172571 + ... + 1174360.

It is an arithmetic number, because the mean of its divisors is an integer number (316835820).

Almost surely, 2^2100503245 is an apocalyptic number.

It is an amenable number.

2100503245 is a deficient number, since it is larger than the sum of its proper divisors (434183315).

2100503245 is a wasteful number, since it uses less digits than its factorization.

2100503245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347115.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2100503245 is about 45831.2474737487. The cubic root of 2100503245 is about 1280.6814496844.

Adding to 2100503245 its reverse (5423050012), we get a palindrome (7523553257).

The spelling of 2100503245 in words is "two billion, one hundred million, five hundred three thousand, two hundred forty-five".