264334393 has 2 divisors, whose sum is σ = 264334394. Its totient is φ = 264334392.

The previous prime is 264334379. The next prime is 264334397. The reversal of 264334393 is 393433462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236329129 + 28005264 = 15373^2 + 5292^2 .

It is a cyclic number.

It is not a de Polignac number, because 264334393 - 2¹³ = 264326201 is a prime.

It is not a weakly prime, because it can be changed into another prime (264334397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132167196 + 132167197.

It is an arithmetic number, because the mean of its divisors is an integer number (132167197).

Almost surely, 2^264334393 is an apocalyptic number.

It is an amenable number.

264334393 is a deficient number, since it is larger than the sum of its proper divisors (1).

264334393 is an equidigital number, since it uses as much as digits as its factorization.

264334393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 37.

The square root of 264334393 is about 16258.3637860641. The cubic root of 264334393 is about 641.7776045065. Note that the first 3 decimals are identical.

The spelling of 264334393 in words is "two hundred sixty-four million, three hundred thirty-four thousand, three hundred ninety-three".