242511449 has 2 divisors, whose sum is σ = 242511450. Its totient is φ = 242511448.

The previous prime is 242511413. The next prime is 242511457. The reversal of 242511449 is 944115242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151117849 + 91393600 = 12293^2 + 9560^2 .

It is a cyclic number.

It is not a de Polignac number, because 242511449 - 2²⁰ = 241462873 is a prime.

It is not a weakly prime, because it can be changed into another prime (242514449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121255724 + 121255725.

It is an arithmetic number, because the mean of its divisors is an integer number (121255725).

Almost surely, 2^242511449 is an apocalyptic number.

It is an amenable number.

242511449 is a deficient number, since it is larger than the sum of its proper divisors (1).

242511449 is an equidigital number, since it uses as much as digits as its factorization.

242511449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 242511449 is about 15572.7791032943. The cubic root of 242511449 is about 623.6066659138.

The spelling of 242511449 in words is "two hundred forty-two million, five hundred eleven thousand, four hundred forty-nine".