242511413 has 2 divisors, whose sum is σ = 242511414. Its totient is φ = 242511412.

The previous prime is 242511389. The next prime is 242511449. The reversal of 242511413 is 314115242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219691684 + 22819729 = 14822^2 + 4777^2 .

It is a cyclic number.

It is not a de Polignac number, because 242511413 - 2¹⁶ = 242445877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242511713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121255706 + 121255707.

It is an arithmetic number, because the mean of its divisors is an integer number (121255707).

Almost surely, 2^242511413 is an apocalyptic number.

It is an amenable number.

242511413 is a deficient number, since it is larger than the sum of its proper divisors (1).

242511413 is an equidigital number, since it uses as much as digits as its factorization.

242511413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 242511413 is about 15572.7779474312. Note that the first 3 decimals coincide. The cubic root of 242511413 is about 623.6066350564.

Adding to 242511413 its reverse (314115242), we get a palindrome (556626655).

The spelling of 242511413 in words is "two hundred forty-two million, five hundred eleven thousand, four hundred thirteen".