264605447 has 2 divisors, whose sum is σ = 264605448. Its totient is φ = 264605446.

The previous prime is 264605437. The next prime is 264605489. The reversal of 264605447 is 744506462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264605447 - 2¹⁴ = 264589063 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264605447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264605417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132302723 + 132302724.

It is an arithmetic number, because the mean of its divisors is an integer number (132302724).

Almost surely, 2^264605447 is an apocalyptic number.

264605447 is a deficient number, since it is larger than the sum of its proper divisors (1).

264605447 is an equidigital number, since it uses as much as digits as its factorization.

264605447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 264605447 is about 16266.6974828943. The cubic root of 264605447 is about 641.9968936163.

The spelling of 264605447 in words is "two hundred sixty-four million, six hundred five thousand, four hundred forty-seven".