265288 has 8 divisors (see below), whose sum is σ = 497430. Its totient is φ = 132640.

The previous prime is 265277. The next prime is 265313. The reversal of 265288 is 882562.

It can be written as a sum of positive squares in only one way, i.e., 161604 + 103684 = 402^2 + 322^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16573 + ... + 16588.

2²⁶⁵²⁸⁸ is an apocalyptic number.

It is an amenable number.

265288 is a deficient number, since it is larger than the sum of its proper divisors (232142).

265288 is a wasteful number, since it uses less digits than its factorization.

265288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33167 (or 33163 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 265288 is about 515.0611614168. The cubic root of 265288 is about 64.2548432611.

The spelling of 265288 in words is "two hundred sixty-five thousand, two hundred eighty-eight".