242252651 has 2 divisors, whose sum is σ = 242252652. Its totient is φ = 242252650.

The previous prime is 242252597. The next prime is 242252657. The reversal of 242252651 is 156252242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242252651 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242252657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121126325 + 121126326.

It is an arithmetic number, because the mean of its divisors is an integer number (121126326).

Almost surely, 2^242252651 is an apocalyptic number.

242252651 is a deficient number, since it is larger than the sum of its proper divisors (1).

242252651 is an equidigital number, since it uses as much as digits as its factorization.

242252651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 29.

The square root of 242252651 is about 15564.4675784300. The cubic root of 242252651 is about 623.3847580389.

The spelling of 242252651 in words is "two hundred forty-two million, two hundred fifty-two thousand, six hundred fifty-one".