3125443289 has 2 divisors, whose sum is σ = 3125443290. Its totient is φ = 3125443288.

The previous prime is 3125443273. The next prime is 3125443331. The reversal of 3125443289 is 9823445213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2809848064 + 315595225 = 53008^2 + 17765^2 .

It is an emirp because it is prime and its reverse (9823445213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3125443289 - 2⁴ = 3125443273 is a prime.

It is not a weakly prime, because it can be changed into another prime (3125443229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562721644 + 1562721645.

It is an arithmetic number, because the mean of its divisors is an integer number (1562721645).

Almost surely, 2^3125443289 is an apocalyptic number.

It is an amenable number.

3125443289 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125443289 is an equidigital number, since it uses as much as digits as its factorization.

3125443289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 3125443289 is about 55905.6641942478. The cubic root of 3125443289 is about 1462.0779956992.

The spelling of 3125443289 in words is "three billion, one hundred twenty-five million, four hundred forty-three thousand, two hundred eighty-nine".