522701000 has 64 divisors (see below), whose sum is σ = 1228106880. Its totient is φ = 208228800.

The previous prime is 522700993. The next prime is 522701027. The reversal of 522701000 is 107225.

Added to its reverse (107225) it gives a square (522808225 = 22865²).

It is a self number, because there is not a number n which added to its sum of digits gives 522701000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282077 + ... + 283923.

It is an arithmetic number, because the mean of its divisors is an integer number (19189170).

Almost surely, 2^522701000 is an apocalyptic number.

522701000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522701000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614053440).

522701000 is an abundant number, since it is smaller than the sum of its proper divisors (705405880).

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

522701000 is a wasteful number, since it uses less digits than its factorization.

522701000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151 (or 2137 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 522701000 is about 22862.6551388941. The cubic root of 522701000 is about 805.5350531621.

Adding to 522701000 its reverse (107225), we get a palindrome (522808225).

The spelling of 522701000 in words is "five hundred twenty-two million, seven hundred one thousand".