248789 has 2 divisors, whose sum is σ = 248790. Its totient is φ = 248788.

The previous prime is 248783. The next prime is 248797. The reversal of 248789 is 987842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220900 + 27889 = 470^2 + 167^2 .

It is a cyclic number.

It is not a de Polignac number, because 248789 - 2⁸ = 248533 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124394 + 124395.

It is an arithmetic number, because the mean of its divisors is an integer number (124395).

2²⁴⁸⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

248789 is a deficient number, since it is larger than the sum of its proper divisors (1).

248789 is an equidigital number, since it uses as much as digits as its factorization.

248789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 38.

The square root of 248789 is about 498.7875299163. The cubic root of 248789 is about 62.8941701852.

The spelling of 248789 in words is "two hundred forty-eight thousand, seven hundred eighty-nine".