2103563245 has 24 divisors (see below), whose sum is σ = 3044732544. Its totient is φ = 1366517088.

The previous prime is 2103563239. The next prime is 2103563263. The reversal of 2103563245 is 5423653012.

It is a happy number.

It is not a de Polignac number, because 2103563245 - 2⁷ = 2103563117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70609 + ... + 95878.

It is an arithmetic number, because the mean of its divisors is an integer number (126863856).

Almost surely, 2^2103563245 is an apocalyptic number.

It is an amenable number.

2103563245 is a deficient number, since it is larger than the sum of its proper divisors (941169299).

2103563245 is a wasteful number, since it uses less digits than its factorization.

2103563245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166537 (or 166518 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2103563245 is about 45864.6186618836. The cubic root of 2103563245 is about 1281.3030441811.

The spelling of 2103563245 in words is "two billion, one hundred three million, five hundred sixty-three thousand, two hundred forty-five".