264201065 has 16 divisors (see below), whose sum is σ = 332645376. Its totient is φ = 201182400.

The previous prime is 264201059. The next prime is 264201071. The reversal of 264201065 is 560102462.

It is an interprime number because it is at equal distance from previous prime (264201059) and next prime (264201071).

It is not a de Polignac number, because 264201065 - 2⁶ = 264201001 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4517 + ... + 23426.

It is an arithmetic number, because the mean of its divisors is an integer number (20790336).

Almost surely, 2^264201065 is an apocalyptic number.

It is an amenable number.

264201065 is a deficient number, since it is larger than the sum of its proper divisors (68444311).

264201065 is a wasteful number, since it uses less digits than its factorization.

264201065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28040.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 264201065 is about 16254.2629792925. The cubic root of 264201065 is about 641.6696839872.

The spelling of 264201065 in words is "two hundred sixty-four million, two hundred one thousand, sixty-five".