242612651 has 2 divisors, whose sum is σ = 242612652. Its totient is φ = 242612650.

The previous prime is 242612647. The next prime is 242612659. The reversal of 242612651 is 156216242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242612651 - 2² = 242612647 is a prime.

It is not a weakly prime, because it can be changed into another prime (242612659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121306325 + 121306326.

It is an arithmetic number, because the mean of its divisors is an integer number (121306326).

Almost surely, 2^242612651 is an apocalyptic number.

242612651 is a deficient number, since it is larger than the sum of its proper divisors (1).

242612651 is an equidigital number, since it uses as much as digits as its factorization.

242612651 is an odious number, because the sum of its binary digits is odd.

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

The square root of 242612651 is about 15576.0280880589. The cubic root of 242612651 is about 623.6933992279.

Adding to 242612651 its reverse (156216242), we get a palindrome (398828893).

The spelling of 242612651 in words is "two hundred forty-two million, six hundred twelve thousand, six hundred fifty-one".