522524142 has 64 divisors (see below), whose sum is σ = 1354176000. Its totient is φ = 149287320.

The previous prime is 522524113. The next prime is 522524173. The reversal of 522524142 is 241425225.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 4417 + ... + 32627.

It is an arithmetic number, because the mean of its divisors is an integer number (21159000).

Almost surely, 2^522524142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522524142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677088000).

522524142 is an abundant number, since it is smaller than the sum of its proper divisors (831651858).

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

522524142 is a wasteful number, since it uses less digits than its factorization.

522524142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28243 (or 28223 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 522524142 is about 22858.7869756906. The cubic root of 522524142 is about 805.4441908977. Note that the first 3 decimals are identical.

Adding to 522524142 its reverse (241425225), we get a palindrome (763949367).

The spelling of 522524142 in words is "five hundred twenty-two million, five hundred twenty-four thousand, one hundred forty-two".