2153344225 has 24 divisors (see below), whose sum is σ = 2742086648. Its totient is φ = 1676851200.

The previous prime is 2153344223. The next prime is 2153344229. The reversal of 2153344225 is 5224433512.

It can be written as a sum of positive squares in 12 ways, for example, as 1617004944 + 536339281 = 40212^2 + 23159^2 .

It is not a de Polignac number, because 2153344225 - 2¹ = 2153344223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153344223) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 140647 + ... + 155203.

Almost surely, 2^2153344225 is an apocalyptic number.

2153344225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2153344225 is a deficient number, since it is larger than the sum of its proper divisors (588742423).

2153344225 is a wasteful number, since it uses less digits than its factorization.

2153344225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14725 (or 14720 counting only the distinct ones).

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

The square root of 2153344225 is about 46404.1401708942. The cubic root of 2153344225 is about 1291.3317227029.

Adding to 2153344225 its reverse (5224433512), we get a palindrome (7377777737).

The spelling of 2153344225 in words is "two billion, one hundred fifty-three million, three hundred forty-four thousand, two hundred twenty-five".