2143313425 has 24 divisors (see below), whose sum is σ = 2928062592. Its totient is φ = 1543320000.

The previous prime is 2143313407. The next prime is 2143313441. The reversal of 2143313425 is 5243133412.

It is a happy number.

It is not a de Polignac number, because 2143313425 - 2¹⁹ = 2142789137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2143313393 and 2143313402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10809 + ... + 66358.

It is an arithmetic number, because the mean of its divisors is an integer number (122002608).

Almost surely, 2^2143313425 is an apocalyptic number.

2143313425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2143313425 is a deficient number, since it is larger than the sum of its proper divisors (784749167).

2143313425 is a wasteful number, since it uses less digits than its factorization.

2143313425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77289 (or 77284 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 2143313425 is about 46295.9331367238. The cubic root of 2143313425 is about 1289.3234890006.

Adding to 2143313425 its reverse (5243133412), we get a palindrome (7386446837).

The spelling of 2143313425 in words is "two billion, one hundred forty-three million, three hundred thirteen thousand, four hundred twenty-five".