289125043 has 2 divisors, whose sum is σ = 289125044. Its totient is φ = 289125042.

The previous prime is 289125037. The next prime is 289125061. The reversal of 289125043 is 340521982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 289125043 - 2²¹ = 287027891 is a prime.

It is not a weakly prime, because it can be changed into another prime (289125643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144562521 + 144562522.

It is an arithmetic number, because the mean of its divisors is an integer number (144562522).

Almost surely, 2^289125043 is an apocalyptic number.

289125043 is a deficient number, since it is larger than the sum of its proper divisors (1).

289125043 is an equidigital number, since it uses as much as digits as its factorization.

289125043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 289125043 is about 17003.6773375644. The cubic root of 289125043 is about 661.2442422398.

The spelling of 289125043 in words is "two hundred eighty-nine million, one hundred twenty-five thousand, forty-three".