243251341 has 4 divisors (see below), whose sum is σ = 243380412. Its totient is φ = 243122272.

The previous prime is 243251311. The next prime is 243251353. The reversal of 243251341 is 143152342.

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 147622500 + 95628841 = 12150^2 + 9779^2 .

It is a cyclic number.

It is not a de Polignac number, because 243251341 - 2⁷ = 243251213 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 (243251311) 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, 61666 + ... + 65491.

It is an arithmetic number, because the mean of its divisors is an integer number (60845103).

Almost surely, 2^243251341 is an apocalyptic number.

It is an amenable number.

243251341 is a deficient number, since it is larger than the sum of its proper divisors (129071).

243251341 is a wasteful number, since it uses less digits than its factorization.

243251341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129070.

The product of its digits is 2880, while the sum is 25.

The square root of 243251341 is about 15596.5169509093. The cubic root of 243251341 is about 624.2402210718.

The spelling of 243251341 in words is "two hundred forty-three million, two hundred fifty-one thousand, three hundred forty-one".