2142204325 has 12 divisors (see below), whose sum is σ = 2659221540. Its totient is φ = 1711900160.

The previous prime is 2142204301. The next prime is 2142204329. The reversal of 2142204325 is 5234022412.

It can be written as a sum of positive squares in 6 ways, for example, as 525601476 + 1616602849 = 22926^2 + 40207^2 .

It is not a de Polignac number, because 2142204325 - 2²¹ = 2140107173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2142204325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142204329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22894 + ... + 69343.

It is an arithmetic number, because the mean of its divisors is an integer number (221601795).

Almost surely, 2^2142204325 is an apocalyptic number.

2142204325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2142204325 is a deficient number, since it is larger than the sum of its proper divisors (517017215).

2142204325 is an equidigital number, since it uses as much as digits as its factorization.

2142204325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93176 (or 93171 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2142204325 is about 46283.9532127497. The cubic root of 2142204325 is about 1289.1010552998.

Adding to 2142204325 its reverse (5234022412), we get a palindrome (7376226737).

The spelling of 2142204325 in words is "two billion, one hundred forty-two million, two hundred four thousand, three hundred twenty-five".