522135042 has 64 divisors (see below), whose sum is σ = 1299037824. Its totient is φ = 137456640.

The previous prime is 522135023. The next prime is 522135043. The reversal of 522135042 is 240531225.

It is not an unprimeable number, because it can be changed into a prime (522135043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3313 + ... + 32484.

It is an arithmetic number, because the mean of its divisors is an integer number (20297466).

Almost surely, 2^522135042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522135042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649518912).

522135042 is an abundant number, since it is smaller than the sum of its proper divisors (776902782).

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

522135042 is a wasteful number, since it uses less digits than its factorization.

522135042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35843.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 522135042 is about 22850.2744403650. The cubic root of 522135042 is about 805.2442153477.

Adding to 522135042 its reverse (240531225), we get a palindrome (762666267).

The spelling of 522135042 in words is "five hundred twenty-two million, one hundred thirty-five thousand, forty-two".