289125039 has 24 divisors (see below), whose sum is σ = 451070640. Its totient is φ = 164244864.

The previous prime is 289125037. The next prime is 289125043. The reversal of 289125039 is 930521982.

It is not a de Polignac number, because 289125039 - 2¹ = 289125037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289124988 and 289125006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289125037) 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 23 ways as a sum of consecutive naturals, for example, 19747 + ... + 31115.

It is an arithmetic number, because the mean of its divisors is an integer number (18794610).

Almost surely, 2^289125039 is an apocalyptic number.

289125039 is a deficient number, since it is larger than the sum of its proper divisors (161945601).

289125039 is a wasteful number, since it uses less digits than its factorization.

289125039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11559 (or 11552 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 289125039 is about 17003.6772199427. The cubic root of 289125039 is about 661.2442391904.

The spelling of 289125039 in words is "two hundred eighty-nine million, one hundred twenty-five thousand, thirty-nine".