289254671 has 4 divisors (see below), whose sum is σ = 299229000. Its totient is φ = 279280344.

The previous prime is 289254653. The next prime is 289254703. The reversal of 289254671 is 176452982.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176452982 = 2 ⋅88226491.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-289254671 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 (289254971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4987121 + ... + 4987178.

It is an arithmetic number, because the mean of its divisors is an integer number (74807250).

Almost surely, 2^289254671 is an apocalyptic number.

289254671 is a deficient number, since it is larger than the sum of its proper divisors (9974329).

289254671 is an equidigital number, since it uses as much as digits as its factorization.

289254671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9974328.

The product of its digits is 241920, while the sum is 44.

The square root of 289254671 is about 17007.4886741106. The cubic root of 289254671 is about 661.3430495019.

The spelling of 289254671 in words is "two hundred eighty-nine million, two hundred fifty-four thousand, six hundred seventy-one".