242112253 has 2 divisors, whose sum is σ = 242112254. Its totient is φ = 242112252.

The previous prime is 242112239. The next prime is 242112281. The reversal of 242112253 is 352211242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181225444 + 60886809 = 13462^2 + 7803^2 .

It is a cyclic number.

It is not a de Polignac number, because 242112253 - 2²¹ = 240015101 is a prime.

It is a super-4 number, since 4×242112253⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242112203) 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 as a sum of consecutive naturals, namely, 121056126 + 121056127.

It is an arithmetic number, because the mean of its divisors is an integer number (121056127).

Almost surely, 2^242112253 is an apocalyptic number.

It is an amenable number.

242112253 is a deficient number, since it is larger than the sum of its proper divisors (1).

242112253 is an equidigital number, since it uses as much as digits as its factorization.

242112253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 22.

The square root of 242112253 is about 15559.9567158781. The cubic root of 242112253 is about 623.2643068127.

Adding to 242112253 its reverse (352211242), we get a palindrome (594323495).

The spelling of 242112253 in words is "two hundred forty-two million, one hundred twelve thousand, two hundred fifty-three".