264340207 has 2 divisors, whose sum is σ = 264340208. Its totient is φ = 264340206.

The previous prime is 264340169. The next prime is 264340211. The reversal of 264340207 is 702043462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264340207 - 2¹¹ = 264338159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264340507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132170103 + 132170104.

It is an arithmetic number, because the mean of its divisors is an integer number (132170104).

Almost surely, 2^264340207 is an apocalyptic number.

264340207 is a deficient number, since it is larger than the sum of its proper divisors (1).

264340207 is an equidigital number, since it uses as much as digits as its factorization.

264340207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 264340207 is about 16258.5425853611. The cubic root of 264340207 is about 641.7823097432.

Adding to 264340207 its reverse (702043462), we get a palindrome (966383669).

The spelling of 264340207 in words is "two hundred sixty-four million, three hundred forty thousand, two hundred seven".