290249 has 2 divisors, whose sum is σ = 290250. Its totient is φ = 290248.

The previous prime is 290243. The next prime is 290317. The reversal of 290249 is 942092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283024 + 7225 = 532^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 290249 - 2⁴ = 290233 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (290243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145124 + 145125.

It is an arithmetic number, because the mean of its divisors is an integer number (145125).

2²⁹⁰²⁴⁹ is an apocalyptic number.

It is an amenable number.

290249 is a deficient number, since it is larger than the sum of its proper divisors (1).

290249 is an equidigital number, since it uses as much as digits as its factorization.

290249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 290249 is about 538.7476218045. The cubic root of 290249 is about 66.2099983986.

The spelling of 290249 in words is "two hundred ninety thousand, two hundred forty-nine".