203249 has 2 divisors, whose sum is σ = 203250. Its totient is φ = 203248.

The previous prime is 203233. The next prime is 203279. The reversal of 203249 is 942302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110224 + 93025 = 332^2 + 305^2 .

It is a cyclic number.

It is not a de Polignac number, because 203249 - 2⁴ = 203233 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 203249.

It is not a weakly prime, because it can be changed into another prime (203209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101624 + 101625.

It is an arithmetic number, because the mean of its divisors is an integer number (101625).

2²⁰³²⁴⁹ is an apocalyptic number.

It is an amenable number.

203249 is a deficient number, since it is larger than the sum of its proper divisors (1).

203249 is an equidigital number, since it uses as much as digits as its factorization.

203249 is an evil number, because the sum of its binary digits is even.

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

The square root of 203249 is about 450.8314540934. The cubic root of 203249 is about 58.7953264214.

It can be divided in two parts, 20 and 3249, that multiplied together give a triangular number (64980 = T₃₆₀).

The spelling of 203249 in words is "two hundred three thousand, two hundred forty-nine".