264527645 has 16 divisors (see below), whose sum is σ = 321330240. Its totient is φ = 209040000.

The previous prime is 264527639. The next prime is 264527677. The reversal of 264527645 is 546725462.

It is not a de Polignac number, because 264527645 - 2¹⁰ = 264526621 is a prime.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 163601 + ... + 165209.

It is an arithmetic number, because the mean of its divisors is an integer number (20083140).

Almost surely, 2^264527645 is an apocalyptic number.

It is an amenable number.

264527645 is a deficient number, since it is larger than the sum of its proper divisors (56802595).

264527645 is a wasteful number, since it uses less digits than its factorization.

264527645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996.

The product of its digits is 403200, while the sum is 41.

The square root of 264527645 is about 16264.3058566912. The cubic root of 264527645 is about 641.9339652839.

The spelling of 264527645 in words is "two hundred sixty-four million, five hundred twenty-seven thousand, six hundred forty-five".