495983 has 2 divisors, whose sum is σ = 495984. Its totient is φ = 495982.

The previous prime is 495973. The next prime is 496007. The reversal of 495983 is 389594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495983 - 2⁴ = 495967 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247991 + 247992.

It is an arithmetic number, because the mean of its divisors is an integer number (247992).

2⁴⁹⁵⁹⁸³ is an apocalyptic number.

495983 is a deficient number, since it is larger than the sum of its proper divisors (1).

495983 is an equidigital number, since it uses as much as digits as its factorization.

495983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 38.

The square root of 495983 is about 704.2606051740. The cubic root of 495983 is about 79.1569278263.

The spelling of 495983 in words is "four hundred ninety-five thousand, nine hundred eighty-three".