2125453424 has 40 divisors (see below), whose sum is σ = 4379474160. Its totient is φ = 995816448.

The previous prime is 2125453423. The next prime is 2125453433. The reversal of 2125453424 is 4243545212.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 45227 + ... + 79349.

It is an arithmetic number, because the mean of its divisors is an integer number (109486854).

Almost surely, 2^2125453424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2125453424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2189737080).

2125453424 is an abundant number, since it is smaller than the sum of its proper divisors (2254020736).

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

2125453424 is a wasteful number, since it uses less digits than its factorization.

2125453424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34377 (or 34371 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 2125453424 is about 46102.6400979380. The cubic root of 2125453424 is about 1285.7322304562.

Adding to 2125453424 its reverse (4243545212), we get a palindrome (6368998636).

The spelling of 2125453424 in words is "two billion, one hundred twenty-five million, four hundred fifty-three thousand, four hundred twenty-four".