3125043043 has 4 divisors (see below), whose sum is σ = 3162694248. Its totient is φ = 3087391840.

The previous prime is 3125042909. The next prime is 3125043049. The reversal of 3125043043 is 3403405213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3403405213 = 13 ⋅261800401.

It is a cyclic number.

It is not a de Polignac number, because 3125043043 - 2²⁵ = 3091488611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3125042999 and 3125043017.

It is not an unprimeable number, because it can be changed into a prime (3125043049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18825478 + ... + 18825643.

It is an arithmetic number, because the mean of its divisors is an integer number (790673562).

Almost surely, 2^3125043043 is an apocalyptic number.

3125043043 is a deficient number, since it is larger than the sum of its proper divisors (37651205).

3125043043 is an equidigital number, since it uses as much as digits as its factorization.

3125043043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37651204.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3125043043 is about 55902.0844244649. The cubic root of 3125043043 is about 1462.0155815287.

Adding to 3125043043 its reverse (3403405213), we get a palindrome (6528448256).

The spelling of 3125043043 in words is "three billion, one hundred twenty-five million, forty-three thousand, forty-three".