249097 has 2 divisors, whose sum is σ = 249098. Its totient is φ = 249096.

The previous prime is 249089. The next prime is 249103. The reversal of 249097 is 790942.

249097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210681 + 38416 = 459^2 + 196^2 .

It is a cyclic number.

It is not a de Polignac number, because 249097 - 2³ = 249089 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124548 + 124549.

It is an arithmetic number, because the mean of its divisors is an integer number (124549).

2²⁴⁹⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

249097 is a deficient number, since it is larger than the sum of its proper divisors (1).

249097 is an equidigital number, since it uses as much as digits as its factorization.

249097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 249097 is about 499.0961831150. The cubic root of 249097 is about 62.9201137438.

The spelling of 249097 in words is "two hundred forty-nine thousand, ninety-seven".