289713213 has 8 divisors (see below), whose sum is σ = 429204800. Its totient is φ = 193142124.

The previous prime is 289713191. The next prime is 289713223. The reversal of 289713213 is 312317982.

It is not a de Polignac number, because 289713213 - 2¹⁷ = 289582141 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 (289713223) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5365033 + ... + 5365086.

It is an arithmetic number, because the mean of its divisors is an integer number (53650600).

Almost surely, 2^289713213 is an apocalyptic number.

It is an amenable number.

289713213 is a deficient number, since it is larger than the sum of its proper divisors (139491587).

289713213 is a wasteful number, since it uses less digits than its factorization.

289713213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10730128 (or 10730122 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 289713213 is about 17020.9639268756. The cubic root of 289713213 is about 661.6923304775.

It can be divided in two parts, 2897 and 13213, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 289713213 in words is "two hundred eighty-nine million, seven hundred thirteen thousand, two hundred thirteen".