2143203325 has 12 divisors (see below), whose sum is σ = 2797444960. Its totient is φ = 1624322160.

The previous prime is 2143203323. The next prime is 2143203329. The reversal of 2143203325 is 5233023412.

It is not a de Polignac number, because 2143203325 - 2¹ = 2143203323 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 2143203325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143203323) 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, 2255529 + ... + 2256478.

Almost surely, 2^2143203325 is an apocalyptic number.

2143203325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2143203325 is a deficient number, since it is larger than the sum of its proper divisors (654241635).

2143203325 is a wasteful number, since it uses less digits than its factorization.

2143203325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512036 (or 4512031 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2143203325 is about 46294.7440321253. The cubic root of 2143203325 is about 1289.3014115099.

Adding to 2143203325 its reverse (5233023412), we get a palindrome (7376226737).

The spelling of 2143203325 in words is "two billion, one hundred forty-three million, two hundred three thousand, three hundred twenty-five".