264025555 has 16 divisors (see below), whose sum is σ = 342610560. Its totient is φ = 194563072.

The previous prime is 264025529. The next prime is 264025571. The reversal of 264025555 is 555520462.

It is a cyclic number.

It is not a de Polignac number, because 264025555 - 2⁷ = 264025427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264025555.

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 15 ways as a sum of consecutive naturals, for example, 29050 + ... + 37039.

It is an arithmetic number, because the mean of its divisors is an integer number (21413160).

Almost surely, 2^264025555 is an apocalyptic number.

264025555 is a deficient number, since it is larger than the sum of its proper divisors (78585005).

264025555 is a wasteful number, since it uses less digits than its factorization.

264025555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66158.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 264025555 is about 16248.8631910051. The cubic root of 264025555 is about 641.5275644575.

The spelling of 264025555 in words is "two hundred sixty-four million, twenty-five thousand, five hundred fifty-five".