497851 has 2 divisors, whose sum is σ = 497852. Its totient is φ = 497850.

The previous prime is 497839. The next prime is 497867. The reversal of 497851 is 158794.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 497851 - 2⁹ = 497339 is a prime.

It is not a weakly prime, because it can be changed into another prime (497801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248925 + 248926.

It is an arithmetic number, because the mean of its divisors is an integer number (248926).

2⁴⁹⁷⁸⁵¹ is an apocalyptic number.

497851 is a deficient number, since it is larger than the sum of its proper divisors (1).

497851 is an equidigital number, since it uses as much as digits as its factorization.

497851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 34.

The square root of 497851 is about 705.5855724149. The cubic root of 497851 is about 79.2561784699.

The spelling of 497851 in words is "four hundred ninety-seven thousand, eight hundred fifty-one".