243525573 has 12 divisors (see below), whose sum is σ = 353603328. Its totient is φ = 161499240.

The previous prime is 243525563. The next prime is 243525577. The reversal of 243525573 is 375525342.

It is not a de Polignac number, because 243525573 - 2¹⁰ = 243524549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243525577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69115 + ... + 72552.

It is an arithmetic number, because the mean of its divisors is an integer number (29466944).

Almost surely, 2^243525573 is an apocalyptic number.

It is an amenable number.

243525573 is a deficient number, since it is larger than the sum of its proper divisors (110077755).

243525573 is a wasteful number, since it uses less digits than its factorization.

243525573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141864 (or 141861 counting only the distinct ones).

The product of its digits is 126000, while the sum is 36.

The square root of 243525573 is about 15605.3059245886. The cubic root of 243525573 is about 624.4747142702.

The spelling of 243525573 in words is "two hundred forty-three million, five hundred twenty-five thousand, five hundred seventy-three".