248573 has 4 divisors (see below), whose sum is σ = 267708. Its totient is φ = 229440.

The previous prime is 248569. The next prime is 248579. The reversal of 248573 is 375842.

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: 375842 = 2 ⋅187921.

It can be written as a sum of positive squares in 2 ways, for example, as 128164 + 120409 = 358^2 + 347^2 .

It is a cyclic number.

It is not a de Polignac number, because 248573 - 2² = 248569 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9548 + ... + 9573.

It is an arithmetic number, because the mean of its divisors is an integer number (66927).

2²⁴⁸⁵⁷³ is an apocalyptic number.

It is an amenable number.

248573 is a deficient number, since it is larger than the sum of its proper divisors (19135).

248573 is a wasteful number, since it uses less digits than its factorization.

248573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19134.

The product of its digits is 6720, while the sum is 29.

The square root of 248573 is about 498.5709578385. The cubic root of 248573 is about 62.8759632250.

The spelling of 248573 in words is "two hundred forty-eight thousand, five hundred seventy-three".