248993 has 4 divisors (see below), whose sum is σ = 255108. Its totient is φ = 242880.

The previous prime is 248987. The next prime is 249017. The reversal of 248993 is 399842.

248993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 399842 = 2 ⋅199921.

It can be written as a sum of positive squares in 2 ways, for example, as 113569 + 135424 = 337^2 + 368^2 .

It is a cyclic number.

It is not a de Polignac number, because 248993 - 2⁸ = 248737 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 (248903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2996 + ... + 3077.

It is an arithmetic number, because the mean of its divisors is an integer number (63777).

2²⁴⁸⁹⁹³ is an apocalyptic number.

It is an amenable number.

248993 is a deficient number, since it is larger than the sum of its proper divisors (6115).

248993 is an equidigital number, since it uses as much as digits as its factorization.

248993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6114.

The product of its digits is 15552, while the sum is 35.

The square root of 248993 is about 498.9919839035. The cubic root of 248993 is about 62.9113559737.

The spelling of 248993 in words is "two hundred forty-eight thousand, nine hundred ninety-three".