264616745 has 8 divisors (see below), whose sum is σ = 317957640. Its totient is φ = 211415040.

The previous prime is 264616643. The next prime is 264616753. The reversal of 264616745 is 547616462.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3988009 + 260628736 = 1997^2 + 16144^2 .

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

It is not a de Polignac number, because 264616745 - 2¹⁴ = 264600361 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30566 + ... + 38255.

It is an arithmetic number, because the mean of its divisors is an integer number (39744705).

Almost surely, 2^264616745 is an apocalyptic number.

It is an amenable number.

264616745 is a deficient number, since it is larger than the sum of its proper divisors (53340895).

264616745 is an equidigital number, since it uses as much as digits as its factorization.

264616745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69595.

The product of its digits is 241920, while the sum is 41.

The square root of 264616745 is about 16267.0447531197. The cubic root of 264616745 is about 642.0060307143.

It can be divided in two parts, 2646 and 16745, that added together give a palindrome (19391).

The spelling of 264616745 in words is "two hundred sixty-four million, six hundred sixteen thousand, seven hundred forty-five".