242501249 has 2 divisors, whose sum is σ = 242501250. Its totient is φ = 242501248.

The previous prime is 242501227. The next prime is 242501263. The reversal of 242501249 is 942105242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131515024 + 110986225 = 11468^2 + 10535^2 .

It is a cyclic number.

It is not a de Polignac number, because 242501249 - 2¹² = 242497153 is a prime.

It is a Chen prime.

It is equal to p_13291175 and since 242501249 and 13291175 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (242501279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121250624 + 121250625.

It is an arithmetic number, because the mean of its divisors is an integer number (121250625).

Almost surely, 2^242501249 is an apocalyptic number.

It is an amenable number.

242501249 is a deficient number, since it is larger than the sum of its proper divisors (1).

242501249 is an equidigital number, since it uses as much as digits as its factorization.

242501249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 242501249 is about 15572.4516053189. The cubic root of 242501249 is about 623.5979228528.

The spelling of 242501249 in words is "two hundred forty-two million, five hundred one thousand, two hundred forty-nine".