249827 has 2 divisors, whose sum is σ = 249828. Its totient is φ = 249826.

The previous prime is 249811. The next prime is 249833. The reversal of 249827 is 728942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249827 - 2⁴ = 249811 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 249793 and 249802.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 249827.

It is not a weakly prime, because it can be changed into another prime (249857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124913 + 124914.

It is an arithmetic number, because the mean of its divisors is an integer number (124914).

2²⁴⁹⁸²⁷ is an apocalyptic number.

249827 is a deficient number, since it is larger than the sum of its proper divisors (1).

249827 is an equidigital number, since it uses as much as digits as its factorization.

249827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 249827 is about 499.8269700606. The cubic root of 249827 is about 62.9815180522.

The spelling of 249827 in words is "two hundred forty-nine thousand, eight hundred twenty-seven".