265288064 has 16 divisors (see below), whose sum is σ = 528503820. Its totient is φ = 132643968.

The previous prime is 265288063. The next prime is 265288073. The reversal of 265288064 is 460882562.

It is a tau number, because it is divible by the number of its divisors (16).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265288063) by changing a digit.

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 as a sum of consecutive naturals, namely, 1036154 + ... + 1036409.

Almost surely, 2^265288064 is an apocalyptic number.

It is an amenable number.

265288064 is a deficient number, since it is larger than the sum of its proper divisors (263215756).

265288064 is an equidigital number, since it uses as much as digits as its factorization.

265288064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072577 (or 2072565 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 265288064 is about 16287.6660083635. Note that the first 3 decimals coincide. The cubic root of 265288064 is about 642.5484842820.

The spelling of 265288064 in words is "two hundred sixty-five million, two hundred eighty-eight thousand, sixty-four".