242960819 has 2 divisors, whose sum is σ = 242960820. Its totient is φ = 242960818.

The previous prime is 242960801. The next prime is 242960849. The reversal of 242960819 is 918069242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242960819 - 2¹⁶ = 242895283 is a prime.

It is a super-2 number, since 2×242960819² = 118059919138301522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242960849) 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, 121480409 + 121480410.

It is an arithmetic number, because the mean of its divisors is an integer number (121480410).

Almost surely, 2^242960819 is an apocalyptic number.

242960819 is a deficient number, since it is larger than the sum of its proper divisors (1).

242960819 is an equidigital number, since it uses as much as digits as its factorization.

242960819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 242960819 is about 15587.2004862964. The cubic root of 242960819 is about 623.9916061152.

The spelling of 242960819 in words is "two hundred forty-two million, nine hundred sixty thousand, eight hundred nineteen".