495563 has 2 divisors, whose sum is σ = 495564. Its totient is φ = 495562.

The previous prime is 495559. The next prime is 495569. The reversal of 495563 is 365594.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495563 - 2² = 495559 is a prime.

It is a Sophie Germain prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (495569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247781 + 247782.

It is an arithmetic number, because the mean of its divisors is an integer number (247782).

2⁴⁹⁵⁵⁶³ is an apocalyptic number.

495563 is a deficient number, since it is larger than the sum of its proper divisors (1).

495563 is an equidigital number, since it uses as much as digits as its factorization.

495563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 32.

The square root of 495563 is about 703.9623569482. The cubic root of 495563 is about 79.1345780695.

The spelling of 495563 in words is "four hundred ninety-five thousand, five hundred sixty-three".