541545243 has 4 divisors (see below), whose sum is σ = 722060328. Its totient is φ = 361030160.

The previous prime is 541545197. The next prime is 541545253. The reversal of 541545243 is 342545145.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 541545243 - 2¹⁷ = 541414171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (541545253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90257538 + ... + 90257543.

It is an arithmetic number, because the mean of its divisors is an integer number (180515082).

Almost surely, 2^541545243 is an apocalyptic number.

541545243 is a deficient number, since it is larger than the sum of its proper divisors (180515085).

541545243 is a wasteful number, since it uses less digits than its factorization.

541545243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180515084.

The product of its digits is 48000, while the sum is 33.

The square root of 541545243 is about 23271.1246612621. The cubic root of 541545243 is about 815.1012924400.

The spelling of 541545243 in words is "five hundred forty-one million, five hundred forty-five thousand, two hundred forty-three".