264242273 has 2 divisors, whose sum is σ = 264242274. Its totient is φ = 264242272.

The previous prime is 264242249. The next prime is 264242311. The reversal of 264242273 is 372242462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154579489 + 109662784 = 12433^2 + 10472^2 .

It is a cyclic number.

It is not a de Polignac number, because 264242273 - 2¹⁴ = 264225889 is a prime.

It is not a weakly prime, because it can be changed into another prime (264242243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132121136 + 132121137.

It is an arithmetic number, because the mean of its divisors is an integer number (132121137).

Almost surely, 2^264242273 is an apocalyptic number.

It is an amenable number.

264242273 is a deficient number, since it is larger than the sum of its proper divisors (1).

264242273 is an equidigital number, since it uses as much as digits as its factorization.

264242273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 32.

The square root of 264242273 is about 16255.5305357900. The cubic root of 264242273 is about 641.7030431131.

It can be divided in two parts, 264242 and 273, that multiplied together give a triangular number (72138066 = T₁₂₀₁₁).

The spelling of 264242273 in words is "two hundred sixty-four million, two hundred forty-two thousand, two hundred seventy-three".