242460643 has 2 divisors, whose sum is σ = 242460644. Its totient is φ = 242460642.

The previous prime is 242460629. The next prime is 242460671. The reversal of 242460643 is 346064242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242460643 - 2⁹ = 242460131 is a prime.

It is not a weakly prime, because it can be changed into another prime (242460683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121230321 + 121230322.

It is an arithmetic number, because the mean of its divisors is an integer number (121230322).

Almost surely, 2^242460643 is an apocalyptic number.

242460643 is a deficient number, since it is larger than the sum of its proper divisors (1).

242460643 is an equidigital number, since it uses as much as digits as its factorization.

242460643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 242460643 is about 15571.1477740082. The cubic root of 242460643 is about 623.5631144675.

The spelling of 242460643 in words is "two hundred forty-two million, four hundred sixty thousand, six hundred forty-three".