2143140325 has 12 divisors (see below), whose sum is σ = 2694925728. Its totient is φ = 1690362800.

The previous prime is 2143140301. The next prime is 2143140331. The reversal of 2143140325 is 5230413412.

It is not a de Polignac number, because 2143140325 - 2⁹ = 2143139813 is a prime.

It is a super-2 number, since 2×2143140325² = 9186100905282211250, which contains 22 as substring.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2143140325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 601927 + ... + 605476.

It is an arithmetic number, because the mean of its divisors is an integer number (224577144).

Almost surely, 2^2143140325 is an apocalyptic number.

2143140325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2143140325 is a deficient number, since it is larger than the sum of its proper divisors (551785403).

2143140325 is a wasteful number, since it uses less digits than its factorization.

2143140325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207484 (or 1207479 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2143140325 is about 46294.0636043111. The cubic root of 2143140325 is about 1289.2887782732.

Adding to 2143140325 its reverse (5230413412), we get a palindrome (7373553737).

The spelling of 2143140325 in words is "two billion, one hundred forty-three million, one hundred forty thousand, three hundred twenty-five".