243334361 has 4 divisors (see below), whose sum is σ = 244741092. Its totient is φ = 241927632.

The previous prime is 243334339. The next prime is 243334363. The reversal of 243334361 is 163433342.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 111429136 + 131905225 = 10556^2 + 11485^2 .

It is a cyclic number.

It is not a de Polignac number, because 243334361 - 2¹⁸ = 243072217 is a prime.

It is a super-2 number, since 2×243334361² = 118423222486556642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243334363) 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, 703106 + ... + 703451.

It is an arithmetic number, because the mean of its divisors is an integer number (61185273).

Almost surely, 2^243334361 is an apocalyptic number.

It is an amenable number.

243334361 is a deficient number, since it is larger than the sum of its proper divisors (1406731).

243334361 is a wasteful number, since it uses less digits than its factorization.

243334361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406730.

The product of its digits is 15552, while the sum is 29.

The square root of 243334361 is about 15599.1782155343. The cubic root of 243334361 is about 624.3112292840.

The spelling of 243334361 in words is "two hundred forty-three million, three hundred thirty-four thousand, three hundred sixty-one".