263000473 has 2 divisors, whose sum is σ = 263000474. Its totient is φ = 263000472.

The previous prime is 263000471. The next prime is 263000483. The reversal of 263000473 is 374000362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256256064 + 6744409 = 16008^2 + 2597^2 .

It is a cyclic number.

It is not a de Polignac number, because 263000473 - 2¹ = 263000471 is a prime.

Together with 263000471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (263000471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131500236 + 131500237.

It is an arithmetic number, because the mean of its divisors is an integer number (131500237).

Almost surely, 2^263000473 is an apocalyptic number.

It is an amenable number.

263000473 is a deficient number, since it is larger than the sum of its proper divisors (1).

263000473 is an equidigital number, since it uses as much as digits as its factorization.

263000473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 263000473 is about 16217.2893234350. The cubic root of 263000473 is about 640.6962418110.

The spelling of 263000473 in words is "two hundred sixty-three million, four hundred seventy-three", and thus it is an aban number.