243411249 has 8 divisors (see below), whose sum is σ = 325085440. Its totient is φ = 162005616.

The previous prime is 243411247. The next prime is 243411263. The reversal of 243411249 is 942114342.

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

It is not a de Polignac number, because 243411249 - 2¹ = 243411247 is a prime.

It is a super-2 number, since 2×243411249² = 118498072279480002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243411247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65014 + ... + 68655.

It is an arithmetic number, because the mean of its divisors is an integer number (40635680).

Almost surely, 2^243411249 is an apocalyptic number.

It is an amenable number.

243411249 is a deficient number, since it is larger than the sum of its proper divisors (81674191).

243411249 is a wasteful number, since it uses less digits than its factorization.

243411249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134279.

The product of its digits is 6912, while the sum is 30.

The square root of 243411249 is about 15601.6425096847. The cubic root of 243411249 is about 624.3769783034.

The spelling of 243411249 in words is "two hundred forty-three million, four hundred eleven thousand, two hundred forty-nine".