242553233 has 8 divisors (see below), whose sum is σ = 262335528. Its totient is φ = 222931584.

The previous prime is 242553211. The next prime is 242553251. The reversal of 242553233 is 332355242.

It can be written as a sum of positive squares in 4 ways, for example, as 66049 + 242487184 = 257^2 + 15572^2 .

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 242553233 - 2⁶ = 242553169 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 242553196 and 242553205.

It is not an unprimeable number, because it can be changed into a prime (242553203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37010 + ... + 43067.

It is an arithmetic number, because the mean of its divisors is an integer number (32791941).

Almost surely, 2^242553233 is an apocalyptic number.

It is an amenable number.

242553233 is a deficient number, since it is larger than the sum of its proper divisors (19782295).

242553233 is a wasteful number, since it uses less digits than its factorization.

242553233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80323.

The product of its digits is 21600, while the sum is 29.

The square root of 242553233 is about 15574.1206172291. The cubic root of 242553233 is about 623.6424790471.

The spelling of 242553233 in words is "two hundred forty-two million, five hundred fifty-three thousand, two hundred thirty-three".