248609 has 2 divisors, whose sum is σ = 248610. Its totient is φ = 248608.

The previous prime is 248597. The next prime is 248621. The reversal of 248609 is 906842.

248609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (248597) and next prime (248621).

It can be written as a sum of positive squares in only one way, i.e., 247009 + 1600 = 497^2 + 40^2 .

It is a cyclic number.

It is not a de Polignac number, because 248609 - 2⁴ = 248593 is a prime.

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 (248639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124304 + 124305.

It is an arithmetic number, because the mean of its divisors is an integer number (124305).

2²⁴⁸⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

248609 is a deficient number, since it is larger than the sum of its proper divisors (1).

248609 is an equidigital number, since it uses as much as digits as its factorization.

248609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 248609 is about 498.6070597174. The cubic root of 248609 is about 62.8789984506.

The spelling of 248609 in words is "two hundred forty-eight thousand, six hundred nine".