243052053 has 4 divisors (see below), whose sum is σ = 324069408. Its totient is φ = 162034700.

The previous prime is 243052031. The next prime is 243052057. The reversal of 243052053 is 350250342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243052053 - 2⁵ = 243052021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243052057) 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, 40508673 + ... + 40508678.

It is an arithmetic number, because the mean of its divisors is an integer number (81017352).

Almost surely, 2^243052053 is an apocalyptic number.

It is an amenable number.

243052053 is a deficient number, since it is larger than the sum of its proper divisors (81017355).

243052053 is an equidigital number, since it uses as much as digits as its factorization.

243052053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81017354.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 243052053 is about 15590.1267794717. The cubic root of 243052053 is about 624.0697011843.

The spelling of 243052053 in words is "two hundred forty-three million, fifty-two thousand, fifty-three".