242098249 has 2 divisors, whose sum is σ = 242098250. Its totient is φ = 242098248.

The previous prime is 242098231. The next prime is 242098271. The reversal of 242098249 is 942890242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239259024 + 2839225 = 15468^2 + 1685^2 .

It is a cyclic number.

It is not a de Polignac number, because 242098249 - 2⁵ = 242098217 is a prime.

It is a super-2 number, since 2×242098249² = 117223124337732002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242098279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121049124 + 121049125.

It is an arithmetic number, because the mean of its divisors is an integer number (121049125).

Almost surely, 2^242098249 is an apocalyptic number.

It is an amenable number.

242098249 is a deficient number, since it is larger than the sum of its proper divisors (1).

242098249 is an equidigital number, since it uses as much as digits as its factorization.

242098249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 242098249 is about 15559.5067081190. The cubic root of 242098249 is about 623.2522898502.

The spelling of 242098249 in words is "two hundred forty-two million, ninety-eight thousand, two hundred forty-nine".