2564527605 has 32 divisors (see below), whose sum is σ = 4360086144. Its totient is φ = 1282707456.

The previous prime is 2564527591. The next prime is 2564527631. The reversal of 2564527605 is 5067254652.

It is not a de Polignac number, because 2564527605 - 2⁸ = 2564527349 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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54397 + ... + 89933.

It is an arithmetic number, because the mean of its divisors is an integer number (136252692).

Almost surely, 2^2564527605 is an apocalyptic number.

It is an amenable number.

2564527605 is a deficient number, since it is larger than the sum of its proper divisors (1795558539).

2564527605 is a wasteful number, since it uses less digits than its factorization.

2564527605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35845.

The product of its (nonzero) digits is 504000, while the sum is 42.

The square root of 2564527605 is about 50641.1651228524. The cubic root of 2564527605 is about 1368.7867506656.

The spelling of 2564527605 in words is "two billion, five hundred sixty-four million, five hundred twenty-seven thousand, six hundred five".