163497 has 4 divisors (see below), whose sum is σ = 218000. Its totient is φ = 108996.

The previous prime is 163487. The next prime is 163517. The reversal of 163497 is 794361.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 794361 = 3 ⋅264787.

It is not a de Polignac number, because 163497 - 2⁴ = 163481 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (163417) 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, 27247 + ... + 27252.

It is an arithmetic number, because the mean of its divisors is an integer number (54500).

2¹⁶³⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

163497 is a deficient number, since it is larger than the sum of its proper divisors (54503).

163497 is an equidigital number, since it uses as much as digits as its factorization.

163497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54502.

The product of its digits is 4536, while the sum is 30.

The square root of 163497 is about 404.3476227208. The cubic root of 163497 is about 54.6810186060.

The spelling of 163497 in words is "one hundred sixty-three thousand, four hundred ninety-seven".