264725689 has 8 divisors (see below), whose sum is σ = 278873280. Its totient is φ = 250599600.

The previous prime is 264725687. The next prime is 264725719. The reversal of 264725689 is 986527462.

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

It is a cyclic number.

It is not a de Polignac number, because 264725689 - 2¹ = 264725687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264725687) 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 in 7 ways as a sum of consecutive naturals, for example, 24099 + ... + 33319.

It is an arithmetic number, because the mean of its divisors is an integer number (34859160).

Almost surely, 2^264725689 is an apocalyptic number.

It is an amenable number.

264725689 is a deficient number, since it is larger than the sum of its proper divisors (14147591).

264725689 is a wasteful number, since it uses less digits than its factorization.

264725689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10751.

The product of its digits is 1451520, while the sum is 49.

The square root of 264725689 is about 16270.3930192236. The cubic root of 264725689 is about 642.0941242936.

The spelling of 264725689 in words is "two hundred sixty-four million, seven hundred twenty-five thousand, six hundred eighty-nine".