863497 has 2 divisors, whose sum is σ = 863498. Its totient is φ = 863496.

The previous prime is 863491. The next prime is 863509. The reversal of 863497 is 794368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 467856 + 395641 = 684^2 + 629^2 .

It is a cyclic number.

It is not a de Polignac number, because 863497 - 2¹⁵ = 830729 is a prime.

It is not a weakly prime, because it can be changed into another prime (863491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431748 + 431749.

It is an arithmetic number, because the mean of its divisors is an integer number (431749).

2⁸⁶³⁴⁹⁷ is an apocalyptic number.

863497 is the 537-th hex number.

It is an amenable number.

863497 is a deficient number, since it is larger than the sum of its proper divisors (1).

863497 is an equidigital number, since it uses as much as digits as its factorization.

863497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 863497 is about 929.2453927785. The cubic root of 863497 is about 95.2255765966.

The spelling of 863497 in words is "eight hundred sixty-three thousand, four hundred ninety-seven".