7125343 has 4 divisors (see below), whose sum is σ = 7132840. Its totient is φ = 7117848.

The previous prime is 7125337. The next prime is 7125353. The reversal of 7125343 is 3435217.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3435217 = 661 ⋅5197.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7125343 is a prime.

It is a Duffinian number.

7125343 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2073 + ... + 4306.

It is an arithmetic number, because the mean of its divisors is an integer number (1783210).

Almost surely, 2^7125343 is an apocalyptic number.

7125343 is a deficient number, since it is larger than the sum of its proper divisors (7497).

7125343 is a wasteful number, since it uses less digits than its factorization.

7125343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7496.

The product of its digits is 2520, while the sum is 25.

The square root of 7125343 is about 2669.3338120213. Note that the first 3 decimals coincide. The cubic root of 7125343 is about 192.4281443175.

The spelling of 7125343 in words is "seven million, one hundred twenty-five thousand, three hundred forty-three".