289539275 has 12 divisors (see below), whose sum is σ = 363356952. Its totient is φ = 228839040.

The previous prime is 289539269. The next prime is 289539307. The reversal of 289539275 is 572935982.

It is not a de Polignac number, because 289539275 - 2¹² = 289535179 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67694 + ... + 71843.

It is an arithmetic number, because the mean of its divisors is an integer number (30279746).

Almost surely, 2^289539275 is an apocalyptic number.

289539275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

289539275 is a deficient number, since it is larger than the sum of its proper divisors (73817677).

289539275 is a wasteful number, since it uses less digits than its factorization.

289539275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139630 (or 139625 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 50.

The square root of 289539275 is about 17015.8536371232. The cubic root of 289539275 is about 661.5598817013.

The spelling of 289539275 in words is "two hundred eighty-nine million, five hundred thirty-nine thousand, two hundred seventy-five".