202249 has 4 divisors (see below), whose sum is σ = 214164. Its totient is φ = 190336.

The previous prime is 202243. The next prime is 202277. The reversal of 202249 is 942202.

202249 = 60² + 61² + ... + 93².

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 942202 = 2 ⋅471101.

It can be written as a sum of positive squares in 2 ways, for example, as 186624 + 15625 = 432^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 202249 - 2⁷ = 202121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5932 + ... + 5965.

It is an arithmetic number, because the mean of its divisors is an integer number (53541).

2²⁰²²⁴⁹ is an apocalyptic number.

It is an amenable number.

202249 is a deficient number, since it is larger than the sum of its proper divisors (11915).

202249 is a wasteful number, since it uses less digits than its factorization.

202249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11914.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 202249 is about 449.7210246364. The cubic root of 202249 is about 58.6987420731.

The spelling of 202249 in words is "two hundred two thousand, two hundred forty-nine".