520524141 has 4 divisors (see below), whose sum is σ = 694032192. Its totient is φ = 347016092.

The previous prime is 520524113. The next prime is 520524149. The reversal of 520524141 is 141425025.

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 520524141 - 2¹⁵ = 520491373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520524149) 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, 86754021 + ... + 86754026.

It is an arithmetic number, because the mean of its divisors is an integer number (173508048).

Almost surely, 2^520524141 is an apocalyptic number.

It is an amenable number.

520524141 is a deficient number, since it is larger than the sum of its proper divisors (173508051).

520524141 is a wasteful number, since it uses less digits than its factorization.

520524141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173508050.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 520524141 is about 22814.9981591058. The cubic root of 520524141 is about 804.4152439673.

Adding to 520524141 its reverse (141425025), we get a palindrome (661949166).

The spelling of 520524141 in words is "five hundred twenty million, five hundred twenty-four thousand, one hundred forty-one".