3125743 has 4 divisors (see below), whose sum is σ = 3129280. Its totient is φ = 3122208.

The previous prime is 3125737. The next prime is 3125753. The reversal of 3125743 is 3475213.

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: 3475213 = 7 ⋅496459.

It is a cyclic number.

It is not a de Polignac number, because 3125743 - 2⁵ = 3125711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125753) 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, 871 + ... + 2647.

It is an arithmetic number, because the mean of its divisors is an integer number (782320).

Almost surely, 2^3125743 is an apocalyptic number.

3125743 is a deficient number, since it is larger than the sum of its proper divisors (3537).

3125743 is a wasteful number, since it uses less digits than its factorization.

3125743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536.

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

The square root of 3125743 is about 1767.9770926118. The cubic root of 3125743 is about 146.2124729001.

The spelling of 3125743 in words is "three million, one hundred twenty-five thousand, seven hundred forty-three".