249353263 has 8 divisors (see below), whose sum is σ = 264500208. Its totient is φ = 234259584.

The previous prime is 249353257. The next prime is 249353303. The reversal of 249353263 is 362353942.

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 249353263 - 2⁵ = 249353231 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 (249353213) 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 7 ways as a sum of consecutive naturals, for example, 3456 + ... + 22597.

It is an arithmetic number, because the mean of its divisors is an integer number (33062526).

Almost surely, 2^249353263 is an apocalyptic number.

249353263 is a deficient number, since it is larger than the sum of its proper divisors (15146945).

249353263 is a wasteful number, since it uses less digits than its factorization.

249353263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26633.

The product of its digits is 116640, while the sum is 37.

The square root of 249353263 is about 15790.9234372154. The cubic root of 249353263 is about 629.4168308014.

The spelling of 249353263 in words is "two hundred forty-nine million, three hundred fifty-three thousand, two hundred sixty-three".