520542102 has 16 divisors (see below), whose sum is σ = 1043988480. Its totient is φ = 173029992.

The previous prime is 520542059. The next prime is 520542119. The reversal of 520542102 is 201245025.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118678 + ... + 122985.

It is an arithmetic number, because the mean of its divisors is an integer number (65249280).

Almost surely, 2^520542102 is an apocalyptic number.

520542102 is an abundant number, since it is smaller than the sum of its proper divisors (523446378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520542102 is a wasteful number, since it uses less digits than its factorization.

520542102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242027.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 520542102 is about 22815.3917783587. The cubic root of 520542102 is about 804.4244961389.

Adding to 520542102 its reverse (201245025), we get a palindrome (721787127).

The spelling of 520542102 in words is "five hundred twenty million, five hundred forty-two thousand, one hundred two".