249348223 has 4 divisors (see below), whose sum is σ = 249380208. Its totient is φ = 249316240.

The previous prime is 249348181. The next prime is 249348247. The reversal of 249348223 is 322843942.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 249348223 - 2⁹ = 249347711 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 (249348823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4203 + ... + 22723.

It is an arithmetic number, because the mean of its divisors is an integer number (62345052).

Almost surely, 2^249348223 is an apocalyptic number.

249348223 is a deficient number, since it is larger than the sum of its proper divisors (31985).

249348223 is a wasteful number, since it uses less digits than its factorization.

249348223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31984.

The product of its digits is 82944, while the sum is 37.

The square root of 249348223 is about 15790.7638510618. The cubic root of 249348223 is about 629.4125901214.

It can be divided in two parts, 249348 and 223, that added together give a triangular number (249571 = T₇₀₆).

The spelling of 249348223 in words is "two hundred forty-nine million, three hundred forty-eight thousand, two hundred twenty-three".