264624089 has 2 divisors, whose sum is σ = 264624090. Its totient is φ = 264624088.

The previous prime is 264624049. The next prime is 264624103. The reversal of 264624089 is 980426462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213744400 + 50879689 = 14620^2 + 7133^2 .

It is a cyclic number.

It is not a de Polignac number, because 264624089 - 2⁸ = 264623833 is a prime.

It is not a weakly prime, because it can be changed into another prime (264624049) by changing a digit.

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 as a sum of consecutive naturals, namely, 132312044 + 132312045.

It is an arithmetic number, because the mean of its divisors is an integer number (132312045).

Almost surely, 2^264624089 is an apocalyptic number.

It is an amenable number.

264624089 is a deficient number, since it is larger than the sum of its proper divisors (1).

264624089 is an equidigital number, since it uses as much as digits as its factorization.

264624089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 264624089 is about 16267.2704840118. The cubic root of 264624089 is about 642.0119699311.

The spelling of 264624089 in words is "two hundred sixty-four million, six hundred twenty-four thousand, eighty-nine".