248911 has 8 divisors (see below), whose sum is σ = 275184. Its totient is φ = 223680.

The previous prime is 248909. The next prime is 248971. The reversal of 248911 is 119842.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248911 - 2¹ = 248909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248971) 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 7 ways as a sum of consecutive naturals, for example, 300 + ... + 766.

It is an arithmetic number, because the mean of its divisors is an integer number (34398).

2²⁴⁸⁹¹¹ is an apocalyptic number.

248911 is a deficient number, since it is larger than the sum of its proper divisors (26273).

248911 is a wasteful number, since it uses less digits than its factorization.

248911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521.

The product of its digits is 576, while the sum is 25.

The square root of 248911 is about 498.9098114890. The cubic root of 248911 is about 62.9044490893.

It can be divided in two parts, 2489 and 11, that added together give a square (2500 = 50²).

The spelling of 248911 in words is "two hundred forty-eight thousand, nine hundred eleven".