535520543 has 4 divisors (see below), whose sum is σ = 535597608. Its totient is φ = 535443480.

The previous prime is 535520509. The next prime is 535520551. The reversal of 535520543 is 345025535.

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 535520543 - 2¹⁰ = 535519519 is a prime.

It is a super-3 number, since 3×535520543³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535570543) 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, 26948 + ... + 42393.

It is an arithmetic number, because the mean of its divisors is an integer number (133899402).

Almost surely, 2^535520543 is an apocalyptic number.

535520543 is a deficient number, since it is larger than the sum of its proper divisors (77065).

535520543 is an equidigital number, since it uses as much as digits as its factorization.

535520543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77064.

The product of its (nonzero) digits is 45000, while the sum is 32.

The square root of 535520543 is about 23141.3167948585. The cubic root of 535520543 is about 812.0673416571.

The spelling of 535520543 in words is "five hundred thirty-five million, five hundred twenty thousand, five hundred forty-three".