289397275 has 12 divisors (see below), whose sum is σ = 359134504. Its totient is φ = 231336000.

The previous prime is 289397263. The next prime is 289397291. The reversal of 289397275 is 572793982.

It is not a de Polignac number, because 289397275 - 2⁵ = 289397243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34495 + ... + 42055.

Almost surely, 2^289397275 is an apocalyptic number.

289397275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

289397275 is a deficient number, since it is larger than the sum of its proper divisors (69737229).

289397275 is a wasteful number, since it uses less digits than its factorization.

289397275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9102 (or 9097 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 52.

The square root of 289397275 is about 17011.6805460248. The cubic root of 289397275 is about 661.4517134574.

The spelling of 289397275 in words is "two hundred eighty-nine million, three hundred ninety-seven thousand, two hundred seventy-five".