264866089 has 2 divisors, whose sum is σ = 264866090. Its totient is φ = 264866088.

The previous prime is 264866083. The next prime is 264866113. The reversal of 264866089 is 980668462.

264866089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251761689 + 13104400 = 15867^2 + 3620^2 .

It is a cyclic number.

It is not a de Polignac number, because 264866089 - 2³ = 264866081 is a prime.

It is not a weakly prime, because it can be changed into another prime (264866081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132433044 + 132433045.

It is an arithmetic number, because the mean of its divisors is an integer number (132433045).

Almost surely, 2^264866089 is an apocalyptic number.

It is an amenable number.

264866089 is a deficient number, since it is larger than the sum of its proper divisors (1).

264866089 is an equidigital number, since it uses as much as digits as its factorization.

264866089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 264866089 is about 16274.7070326934. The cubic root of 264866089 is about 642.2076179792.

The spelling of 264866089 in words is "two hundred sixty-four million, eight hundred sixty-six thousand, eighty-nine".