263356097 has 2 divisors, whose sum is σ = 263356098. Its totient is φ = 263356096.

The previous prime is 263356081. The next prime is 263356103. The reversal of 263356097 is 790653362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165662641 + 97693456 = 12871^2 + 9884^2 .

It is a cyclic number.

It is not a de Polignac number, because 263356097 - 2⁴ = 263356081 is a prime.

It is not a weakly prime, because it can be changed into another prime (263356007) 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, 131678048 + 131678049.

It is an arithmetic number, because the mean of its divisors is an integer number (131678049).

Almost surely, 2^263356097 is an apocalyptic number.

It is an amenable number.

263356097 is a deficient number, since it is larger than the sum of its proper divisors (1).

263356097 is an equidigital number, since it uses as much as digits as its factorization.

263356097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 41.

The square root of 263356097 is about 16228.2499672639. The cubic root of 263356097 is about 640.9848906464.

The spelling of 263356097 in words is "two hundred sixty-three million, three hundred fifty-six thousand, ninety-seven".