264000243 has 8 divisors (see below), whose sum is σ = 379077328. Its totient is φ = 162461664.

The previous prime is 264000241. The next prime is 264000257. The reversal of 264000243 is 342000462.

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

It is not a de Polignac number, because 264000243 - 2¹ = 264000241 is a prime.

It is a super-2 number, since 2×264000243² = 139392256608118098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264000241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3384580 + ... + 3384657.

It is an arithmetic number, because the mean of its divisors is an integer number (47384666).

Almost surely, 2^264000243 is an apocalyptic number.

264000243 is a deficient number, since it is larger than the sum of its proper divisors (115077085).

264000243 is a wasteful number, since it uses less digits than its factorization.

264000243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6769253.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 264000243 is about 16248.0842870783. The cubic root of 264000243 is about 641.5070628251.

The spelling of 264000243 in words is "two hundred sixty-four million, two hundred forty-three", and thus it is an aban number.