242883851 has 4 divisors (see below), whose sum is σ = 277581552. Its totient is φ = 208186152.

The previous prime is 242883833. The next prime is 242883881. The reversal of 242883851 is 158388242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 158388242 = 2 ⋅79194121.

It is a cyclic number.

It is not a de Polignac number, because 242883851 - 2¹⁸ = 242621707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242883799 and 242883808.

It is not an unprimeable number, because it can be changed into a prime (242883881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17348840 + ... + 17348853.

It is an arithmetic number, because the mean of its divisors is an integer number (69395388).

Almost surely, 2^242883851 is an apocalyptic number.

242883851 is a deficient number, since it is larger than the sum of its proper divisors (34697701).

242883851 is an equidigital number, since it uses as much as digits as its factorization.

242883851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34697700.

The product of its digits is 122880, while the sum is 41.

The square root of 242883851 is about 15584.7313419257. The cubic root of 242883851 is about 623.9257073438.

The spelling of 242883851 in words is "two hundred forty-two million, eight hundred eighty-three thousand, eight hundred fifty-one".