2103455250 has 128 divisors (see below), whose sum is σ = 6282581760. Its totient is φ = 517752000.

The previous prime is 2103455219. The next prime is 2103455279. The reversal of 2103455250 is 525543012.

It is a happy number.

2103455250 is a `hidden beast` number, since 2 + 103 + 4 + 552 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75765 + ... + 99735.

It is an arithmetic number, because the mean of its divisors is an integer number (49082670).

Almost surely, 2^2103455250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103455250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3141290880).

2103455250 is an abundant number, since it is smaller than the sum of its proper divisors (4179126510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103455250 is a wasteful number, since it uses less digits than its factorization.

2103455250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24010 (or 23994 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2103455250 is about 45863.4413231279. The cubic root of 2103455250 is about 1281.2811168330.

Adding to 2103455250 its reverse (525543012), we get a palindrome (2628998262).

The spelling of 2103455250 in words is "two billion, one hundred three million, four hundred fifty-five thousand, two hundred fifty".