243464357 has 2 divisors, whose sum is σ = 243464358. Its totient is φ = 243464356.

The previous prime is 243464341. The next prime is 243464381. The reversal of 243464357 is 753464342.

243464357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213335236 + 30129121 = 14606^2 + 5489^2 .

It is a cyclic number.

It is not a de Polignac number, because 243464357 - 2⁴ = 243464341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243464357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243464387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121732178 + 121732179.

It is an arithmetic number, because the mean of its divisors is an integer number (121732179).

Almost surely, 2^243464357 is an apocalyptic number.

It is an amenable number.

243464357 is a deficient number, since it is larger than the sum of its proper divisors (1).

243464357 is an equidigital number, since it uses as much as digits as its factorization.

243464357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 38.

The square root of 243464357 is about 15603.3444171434. The cubic root of 243464357 is about 624.4223843140.

The spelling of 243464357 in words is "two hundred forty-three million, four hundred sixty-four thousand, three hundred fifty-seven".