495647 has 2 divisors, whose sum is σ = 495648. Its totient is φ = 495646.

The previous prime is 495637. The next prime is 495667. The reversal of 495647 is 746594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495647 - 2¹⁴ = 479263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247823 + 247824.

It is an arithmetic number, because the mean of its divisors is an integer number (247824).

2⁴⁹⁵⁶⁴⁷ is an apocalyptic number.

495647 is a deficient number, since it is larger than the sum of its proper divisors (1).

495647 is an equidigital number, since it uses as much as digits as its factorization.

495647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 495647 is about 704.0220167012. The cubic root of 495647 is about 79.1390490308.

The spelling of 495647 in words is "four hundred ninety-five thousand, six hundred forty-seven".