263280341 has 2 divisors, whose sum is σ = 263280342. Its totient is φ = 263280340.

The previous prime is 263280313. The next prime is 263280373. The reversal of 263280341 is 143082362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262116100 + 1164241 = 16190^2 + 1079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263280341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263280541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131640170 + 131640171.

It is an arithmetic number, because the mean of its divisors is an integer number (131640171).

Almost surely, 2^263280341 is an apocalyptic number.

It is an amenable number.

263280341 is a deficient number, since it is larger than the sum of its proper divisors (1).

263280341 is an equidigital number, since it uses as much as digits as its factorization.

263280341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 263280341 is about 16225.9157214624. The cubic root of 263280341 is about 640.9234236710.

The spelling of 263280341 in words is "two hundred sixty-three million, two hundred eighty thousand, three hundred forty-one".