2103525450 has 120 divisors (see below), whose sum is σ = 6294433068. Its totient is φ = 517777920.

The previous prime is 2103525439. The next prime is 2103525493. The reversal of 2103525450 is 545253012.

It is a happy number.

2103525450 is a `hidden beast` number, since 210 + 352 + 54 + 50 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 627352209 + 1476173241 = 25047^2 + 38421^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 32674 + ... + 72626.

Almost surely, 2^2103525450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103525450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3147216534).

2103525450 is an abundant number, since it is smaller than the sum of its proper divisors (4190907618).

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

2103525450 is a wasteful number, since it uses less digits than its factorization.

2103525450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39990 (or 39976 counting only the distinct ones).

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

The square root of 2103525450 is about 45864.2066321876. The cubic root of 2103525450 is about 1281.2953703545.

Adding to 2103525450 its reverse (545253012), we get a palindrome (2648778462).

The spelling of 2103525450 in words is "two billion, one hundred three million, five hundred twenty-five thousand, four hundred fifty".