497807 has 4 divisors (see below), whose sum is σ = 499800. Its totient is φ = 495816.

The previous prime is 497801. The next prime is 497813. The reversal of 497807 is 708794.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (497801) and next prime (497813).

It is a cyclic number.

It is not a de Polignac number, because 497807 - 2⁸ = 497551 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 497807.

It is not an unprimeable number, because it can be changed into a prime (497801) 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 in 3 ways as a sum of consecutive naturals, for example, 557 + ... + 1142.

It is an arithmetic number, because the mean of its divisors is an integer number (124950).

2⁴⁹⁷⁸⁰⁷ is an apocalyptic number.

497807 is a deficient number, since it is larger than the sum of its proper divisors (1993).

497807 is a wasteful number, since it uses less digits than its factorization.

497807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 497807 is about 705.5543919500. The cubic root of 497807 is about 79.2538435179.

The spelling of 497807 in words is "four hundred ninety-seven thousand, eight hundred seven".