2125445203 has 32 divisors (see below), whose sum is σ = 2689597440. Its totient is φ = 1637586720.

The previous prime is 2125445191. The next prime is 2125445209. The reversal of 2125445203 is 3025445212.

It is a de Polignac number, because none of the positive numbers 2^k-2125445203 is a prime.

It is a super-2 number, since 2×2125445203² = 9035034621911422418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2125445209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385758 + ... + 391228.

It is an arithmetic number, because the mean of its divisors is an integer number (84049920).

Almost surely, 2^2125445203 is an apocalyptic number.

2125445203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2125445203 is a deficient number, since it is larger than the sum of its proper divisors (564152237).

2125445203 is a wasteful number, since it uses less digits than its factorization.

2125445203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2125445203 is about 46102.5509380989. The cubic root of 2125445203 is about 1285.7305727678.

Subtracting 2125445203 from its reverse (3025445212), we obtain a palindrome (900000009).

The spelling of 2125445203 in words is "two billion, one hundred twenty-five million, four hundred forty-five thousand, two hundred three".