249763 has 2 divisors, whose sum is σ = 249764. Its totient is φ = 249762.

The previous prime is 249749. The next prime is 249779. The reversal of 249763 is 367942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249763 - 2¹⁷ = 118691 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 4⁵ + 7⁶ + 9 + 6 + 3 .

249763 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (249703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124881 + 124882.

It is an arithmetic number, because the mean of its divisors is an integer number (124882).

2²⁴⁹⁷⁶³ is an apocalyptic number.

249763 is a deficient number, since it is larger than the sum of its proper divisors (1).

249763 is an equidigital number, since it uses as much as digits as its factorization.

249763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 249763 is about 499.7629438044. The cubic root of 249763 is about 62.9761394483.

The spelling of 249763 in words is "two hundred forty-nine thousand, seven hundred sixty-three".