522521002 has 8 divisors (see below), whose sum is σ = 784080000. Its totient is φ = 261161004.

The previous prime is 522520997. The next prime is 522521003. The reversal of 522521002 is 200125225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (522521003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43002 + ... + 53797.

It is an arithmetic number, because the mean of its divisors is an integer number (98010000).

Almost surely, 2^522521002 is an apocalyptic number.

522521002 is a deficient number, since it is larger than the sum of its proper divisors (261558998).

522521002 is a wasteful number, since it uses less digits than its factorization.

522521002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99500.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 522521002 is about 22858.7182930277. The cubic root of 522521002 is about 805.4425775114.

Adding to 522521002 its reverse (200125225), we get a palindrome (722646227).

The spelling of 522521002 in words is "five hundred twenty-two million, five hundred twenty-one thousand, two".