264643235 has 8 divisors (see below), whose sum is σ = 320073216. Its totient is φ = 210047040.

The previous prime is 264643219. The next prime is 264643283. The reversal of 264643235 is 532346462.

264643235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 264643235 - 2⁴ = 264643219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264643195 and 264643204.

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, 207746 + ... + 209015.

It is an arithmetic number, because the mean of its divisors is an integer number (40009152).

Almost surely, 2^264643235 is an apocalyptic number.

264643235 is a deficient number, since it is larger than the sum of its proper divisors (55429981).

264643235 is a wasteful number, since it uses less digits than its factorization.

264643235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416893.

The product of its digits is 103680, while the sum is 35.

The square root of 264643235 is about 16267.8589556217. The cubic root of 264643235 is about 642.0274531080.

Adding to 264643235 its reverse (532346462), we get a palindrome (796989697).

The spelling of 264643235 in words is "two hundred sixty-four million, six hundred forty-three thousand, two hundred thirty-five".