289417061 has 4 divisors (see below), whose sum is σ = 306441612. Its totient is φ = 272392512.

The previous prime is 289417039. The next prime is 289417067. The reversal of 289417061 is 160714982.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 195132961 + 94284100 = 13969^2 + 9710^2 .

It is a cyclic number.

It is not a de Polignac number, because 289417061 - 2¹⁸ = 289154917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289417067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8512250 + ... + 8512283.

It is an arithmetic number, because the mean of its divisors is an integer number (76610403).

Almost surely, 2^289417061 is an apocalyptic number.

It is an amenable number.

289417061 is a deficient number, since it is larger than the sum of its proper divisors (17024551).

289417061 is a wasteful number, since it uses less digits than its factorization.

289417061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17024550.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 289417061 is about 17012.2620776897. The cubic root of 289417061 is about 661.4667875285.

The spelling of 289417061 in words is "two hundred eighty-nine million, four hundred seventeen thousand, sixty-one".