495043 has 2 divisors, whose sum is σ = 495044. Its totient is φ = 495042.

The previous prime is 495041. The next prime is 495067. The reversal of 495043 is 340594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495043 - 2¹ = 495041 is a prime.

Together with 495041, it forms a pair of twin primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 494999 and 495017.

It is not a weakly prime, because it can be changed into another prime (495041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247521 + 247522.

It is an arithmetic number, because the mean of its divisors is an integer number (247522).

2⁴⁹⁵⁰⁴³ is an apocalyptic number.

495043 is a deficient number, since it is larger than the sum of its proper divisors (1).

495043 is an equidigital number, since it uses as much as digits as its factorization.

495043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 495043 is about 703.5929220792. The cubic root of 495043 is about 79.1068894392.

Subtracting from 495043 its reverse (340594), we obtain a square (154449 = 393²).

The spelling of 495043 in words is "four hundred ninety-five thousand, forty-three".