3125305543 has 2 divisors, whose sum is σ = 3125305544. Its totient is φ = 3125305542.

The previous prime is 3125305531. The next prime is 3125305571. The reversal of 3125305543 is 3455035213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3125305543 - 2⁵ = 3125305511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3125305583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562652771 + 1562652772.

It is an arithmetic number, because the mean of its divisors is an integer number (1562652772).

Almost surely, 2^3125305543 is an apocalyptic number.

3125305543 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125305543 is an equidigital number, since it uses as much as digits as its factorization.

3125305543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 3125305543 is about 55904.4322303697. The cubic root of 3125305543 is about 1462.0565162550.

The spelling of 3125305543 in words is "three billion, one hundred twenty-five million, three hundred five thousand, five hundred forty-three".