2143040325 has 24 divisors (see below), whose sum is σ = 3546796800. Its totient is φ = 1141781760.

The previous prime is 2143040311. The next prime is 2143040327. The reversal of 2143040325 is 5230403412.

It is not a de Polignac number, because 2143040325 - 2⁷ = 2143040197 is a prime.

It is a super-2 number, since 2×2143040325² = 9185243669152211250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2143040295 and 2143040304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143040327) 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 23 ways as a sum of consecutive naturals, for example, 61516 + ... + 89834.

It is an arithmetic number, because the mean of its divisors is an integer number (147783200).

Almost surely, 2^2143040325 is an apocalyptic number.

2143040325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2143040325 is a deficient number, since it is larger than the sum of its proper divisors (1403756475).

2143040325 is a wasteful number, since it uses less digits than its factorization.

2143040325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29341 (or 29336 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2143040325 is about 46292.9835396251. The cubic root of 2143040325 is about 1289.2687250081.

Adding to 2143040325 its reverse (5230403412), we get a palindrome (7373443737).

The spelling of 2143040325 in words is "two billion, one hundred forty-three million, forty thousand, three hundred twenty-five".