522013000 has 64 divisors (see below), whose sum is σ = 1225926000. Its totient is φ = 208051200.

The previous prime is 522012941. The next prime is 522013031. The reversal of 522013000 is 310225.

It can be written as a sum of positive squares in 8 ways, for example, as 256036 + 521756964 = 506^2 + 22842^2 .

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, 336226 + ... + 337774.

Almost surely, 2^522013000 is an apocalyptic number.

522013000 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 522013000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612963000).

522013000 is an abundant number, since it is smaller than the sum of its proper divisors (703913000).

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

522013000 is a wasteful number, since it uses less digits than its factorization.

522013000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 522013000 is about 22847.6038130916. The cubic root of 522013000 is about 805.1814721463.

Adding to 522013000 its reverse (310225), we get a palindrome (522323225).

The spelling of 522013000 in words is "five hundred twenty-two million, thirteen thousand".