243415053 has 24 divisors (see below), whose sum is σ = 402487488. Its totient is φ = 138866112.

The previous prime is 243415019. The next prime is 243415063. The reversal of 243415053 is 350514342.

243415053 is a `hidden beast` number, since 243 + 415 + 0 + 5 + 3 = 666.

It is not a de Polignac number, because 243415053 - 2⁶ = 243414989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243415063) 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 23 ways as a sum of consecutive naturals, for example, 40201 + ... + 45857.

It is an arithmetic number, because the mean of its divisors is an integer number (16770312).

Almost surely, 2^243415053 is an apocalyptic number.

It is an amenable number.

243415053 is a deficient number, since it is larger than the sum of its proper divisors (159072435).

243415053 is a wasteful number, since it uses less digits than its factorization.

243415053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6353 (or 6350 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 243415053 is about 15601.7644194495. The cubic root of 243415053 is about 624.3802308477.

Adding to 243415053 its reverse (350514342), we get a palindrome (593929395).

The spelling of 243415053 in words is "two hundred forty-three million, four hundred fifteen thousand, fifty-three".