2125532443 has 8 divisors (see below), whose sum is σ = 2150895600. Its totient is φ = 2100202368.

The previous prime is 2125532417. The next prime is 2125532447. The reversal of 2125532443 is 3442355212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2125532443 - 2⁹ = 2125531931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125532447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135780 + ... + 150622.

It is an arithmetic number, because the mean of its divisors is an integer number (268861950).

Almost surely, 2^2125532443 is an apocalyptic number.

2125532443 is a deficient number, since it is larger than the sum of its proper divisors (25363157).

2125532443 is a wasteful number, since it uses less digits than its factorization.

2125532443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16541.

The product of its digits is 28800, while the sum is 31.

The square root of 2125532443 is about 46103.4970799396. The cubic root of 2125532443 is about 1285.7481636864.

Adding to 2125532443 its reverse (3442355212), we get a palindrome (5567887655).

The spelling of 2125532443 in words is "two billion, one hundred twenty-five million, five hundred thirty-two thousand, four hundred forty-three".