264345253 has 2 divisors, whose sum is σ = 264345254. Its totient is φ = 264345252.

The previous prime is 264345227. The next prime is 264345259. The reversal of 264345253 is 352543462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254498209 + 9847044 = 15953^2 + 3138^2 .

It is a cyclic number.

It is not a de Polignac number, because 264345253 - 2¹³ = 264337061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264345259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132172626 + 132172627.

It is an arithmetic number, because the mean of its divisors is an integer number (132172627).

Almost surely, 2^264345253 is an apocalyptic number.

It is an amenable number.

264345253 is a deficient number, since it is larger than the sum of its proper divisors (1).

264345253 is an equidigital number, since it uses as much as digits as its factorization.

264345253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 34.

The square root of 264345253 is about 16258.6977645813. The cubic root of 264345253 is about 641.7863933860.

The spelling of 264345253 in words is "two hundred sixty-four million, three hundred forty-five thousand, two hundred fifty-three".