249433 has 2 divisors, whose sum is σ = 249434. Its totient is φ = 249432.

The previous prime is 249427. The next prime is 249437. The reversal of 249433 is 334942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227529 + 21904 = 477^2 + 148^2 .

It is a cyclic number.

It is not a de Polignac number, because 249433 - 2¹⁷ = 118361 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 4 + 4² + 9⁵ + 3⁵ + 3¹⁰ .

It is a junction number, because it is equal to n+sod(n) for n = 249398 and 249407.

It is not a weakly prime, because it can be changed into another prime (249437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124716 + 124717.

It is an arithmetic number, because the mean of its divisors is an integer number (124717).

2²⁴⁹⁴³³ is an apocalyptic number.

It is an amenable number.

249433 is a deficient number, since it is larger than the sum of its proper divisors (1).

249433 is an equidigital number, since it uses as much as digits as its factorization.

249433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 249433 is about 499.4326781459. The cubic root of 249433 is about 62.9483914291.

The spelling of 249433 in words is "two hundred forty-nine thousand, four hundred thirty-three".