289064325 has 24 divisors (see below), whose sum is σ = 521368416. Its totient is φ = 140152000.

The previous prime is 289064291. The next prime is 289064333. The reversal of 289064325 is 523460982.

It is a happy number.

It is not a de Polignac number, because 289064325 - 2¹² = 289060229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174366 + ... + 176015.

It is an arithmetic number, because the mean of its divisors is an integer number (21723684).

Almost surely, 2^289064325 is an apocalyptic number.

289064325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

289064325 is a deficient number, since it is larger than the sum of its proper divisors (232304091).

289064325 is a wasteful number, since it uses less digits than its factorization.

289064325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350405 (or 350400 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 289064325 is about 17001.8918065020. The cubic root of 289064325 is about 661.1979505750.

The spelling of 289064325 in words is "two hundred eighty-nine million, sixty-four thousand, three hundred twenty-five".