520533541 has 4 divisors (see below), whose sum is σ = 567854784. Its totient is φ = 473212300.

The previous prime is 520533529. The next prime is 520533553. The reversal of 520533541 is 145335025.

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 an interprime number because it is at equal distance from previous prime (520533529) and next prime (520533553).

It is not a de Polignac number, because 520533541 - 2¹⁹ = 520009253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520533521) 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, 23660605 + ... + 23660626.

It is an arithmetic number, because the mean of its divisors is an integer number (141963696).

Almost surely, 2^520533541 is an apocalyptic number.

It is an amenable number.

520533541 is a deficient number, since it is larger than the sum of its proper divisors (47321243).

520533541 is a wasteful number, since it uses less digits than its factorization.

520533541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47321242.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 520533541 is about 22815.2041630138. The cubic root of 520533541 is about 804.4200861749.

Adding to 520533541 its reverse (145335025), we get a palindrome (665868566).

It can be divided in two parts, 520 and 533541, that added together give a triangular number (534061 = T₁₀₃₃).

The spelling of 520533541 in words is "five hundred twenty million, five hundred thirty-three thousand, five hundred forty-one".