302249 has 4 divisors (see below), whose sum is σ = 303360. Its totient is φ = 301140.

The previous prime is 302227. The next prime is 302261. The reversal of 302249 is 942203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 942203 = 191 ⋅4933.

It is a cyclic number.

It is not a de Polignac number, because 302249 - 2⁸ = 301993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 302249.

It is not an unprimeable number, because it can be changed into a prime (302279) 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, 164 + ... + 794.

It is an arithmetic number, because the mean of its divisors is an integer number (75840).

2³⁰²²⁴⁹ is an apocalyptic number.

It is an amenable number.

302249 is a deficient number, since it is larger than the sum of its proper divisors (1111).

302249 is an equidigital number, since it uses as much as digits as its factorization.

302249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 302249 is about 549.7717708286. The cubic root of 302249 is about 67.1101625729.

The spelling of 302249 in words is "three hundred two thousand, two hundred forty-nine".