163258 has 4 divisors (see below), whose sum is σ = 244890. Its totient is φ = 81628.

The previous prime is 163249. The next prime is 163259. The reversal of 163258 is 852361.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 852361 = 811 ⋅1051.

It can be written as a sum of positive squares in only one way, i.e., 120409 + 42849 = 347^2 + 207^2 .

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (163259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40813 + ... + 40816.

163258 is a Friedman number, since it can be written as 21*6^5-38, using all its digits and the basic arithmetic operations.

2¹⁶³²⁵⁸ is an apocalyptic number.

163258 is a deficient number, since it is larger than the sum of its proper divisors (81632).

163258 is an equidigital number, since it uses as much as digits as its factorization.

163258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81631.

The product of its digits is 1440, while the sum is 25.

The square root of 163258 is about 404.0519768545. The cubic root of 163258 is about 54.6543613654.

The spelling of 163258 in words is "one hundred sixty-three thousand, two hundred fifty-eight".