243480733 has 2 divisors, whose sum is σ = 243480734. Its totient is φ = 243480732.

The previous prime is 243480709. The next prime is 243480739. The reversal of 243480733 is 337084342.

It is a happy number.

243480733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206841924 + 36638809 = 14382^2 + 6053^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243480733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243480739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121740366 + 121740367.

It is an arithmetic number, because the mean of its divisors is an integer number (121740367).

Almost surely, 2^243480733 is an apocalyptic number.

It is an amenable number.

243480733 is a deficient number, since it is larger than the sum of its proper divisors (1).

243480733 is an equidigital number, since it uses as much as digits as its factorization.

243480733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 243480733 is about 15603.8691676135. The cubic root of 243480733 is about 624.4363840521.

The spelling of 243480733 in words is "two hundred forty-three million, four hundred eighty thousand, seven hundred thirty-three".