264245 has 8 divisors (see below), whose sum is σ = 325080. Its totient is φ = 206080.

The previous prime is 264221. The next prime is 264263. The reversal of 264245 is 542462.

It can be written as a sum of positive squares in 4 ways, for example, as 11236 + 253009 = 106^2 + 503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-264245 is a prime.

It is a d-powerful number, because it can be written as 2³ + 6² + 2¹¹ + 4 + 4⁹ + 5 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 264245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440 + ... + 849.

It is an arithmetic number, because the mean of its divisors is an integer number (40635).

2²⁶⁴²⁴⁵ is an apocalyptic number.

It is an amenable number.

264245 is a deficient number, since it is larger than the sum of its proper divisors (60835).

264245 is a wasteful number, since it uses less digits than its factorization.

264245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335.

The product of its digits is 1920, while the sum is 23.

The square root of 264245 is about 514.0476631598. The cubic root of 264245 is about 64.1705250580.

The spelling of 264245 in words is "two hundred sixty-four thousand, two hundred forty-five".