242580853 has 8 divisors (see below), whose sum is σ = 251811000. Its totient is φ = 233408448.

The previous prime is 242580851. The next prime is 242580869. The reversal of 242580853 is 358085242.

It can be written as a sum of positive squares in 4 ways, for example, as 58110129 + 184470724 = 7623^2 + 13582^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242580853 - 2¹ = 242580851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242580851) 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 in 7 ways as a sum of consecutive naturals, for example, 5778 + ... + 22771.

It is an arithmetic number, because the mean of its divisors is an integer number (31476375).

Almost surely, 2^242580853 is an apocalyptic number.

It is an amenable number.

242580853 is a deficient number, since it is larger than the sum of its proper divisors (9230147).

242580853 is a wasteful number, since it uses less digits than its factorization.

242580853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28871.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 242580853 is about 15575.0073194204. The cubic root of 242580853 is about 623.6661499355. Note that the first 3 decimals are identical.

The spelling of 242580853 in words is "two hundred forty-two million, five hundred eighty thousand, eight hundred fifty-three".