2125453443 has 16 divisors (see below), whose sum is σ = 2845076736. Its totient is φ = 1411411680.

The previous prime is 2125453433. The next prime is 2125453481. The reversal of 2125453443 is 3443545212.

It is not a de Polignac number, because 2125453443 - 2¹⁴ = 2125437059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2125453423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1468146 + ... + 1469592.

It is an arithmetic number, because the mean of its divisors is an integer number (177817296).

Almost surely, 2^2125453443 is an apocalyptic number.

2125453443 is a deficient number, since it is larger than the sum of its proper divisors (719623293).

2125453443 is a wasteful number, since it uses less digits than its factorization.

2125453443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034.

The product of its digits is 57600, while the sum is 33.

The square root of 2125453443 is about 46102.6403039999. The cubic root of 2125453443 is about 1285.7322342874.

Adding to 2125453443 its reverse (3443545212), we get a palindrome (5568998655).

The spelling of 2125453443 in words is "two billion, one hundred twenty-five million, four hundred fifty-three thousand, four hundred forty-three".