522912712 has 96 divisors (see below), whose sum is σ = 1210187520. Its totient is φ = 210833280.

The previous prime is 522912703. The next prime is 522912713. The reversal of 522912712 is 217219225.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (522912713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449043 + ... + 450205.

It is an arithmetic number, because the mean of its divisors is an integer number (12606120).

Almost surely, 2^522912712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522912712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605093760).

522912712 is an abundant number, since it is smaller than the sum of its proper divisors (687274808).

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

522912712 is a wasteful number, since it uses less digits than its factorization.

522912712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1240 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 522912712 is about 22867.2847535513. The cubic root of 522912712 is about 805.6437950096.

The spelling of 522912712 in words is "five hundred twenty-two million, nine hundred twelve thousand, seven hundred twelve".