522152352021 has 8 divisors (see below), whose sum is σ = 696379539744. Its totient is φ = 348013366160.

The previous prime is 522152351971. The next prime is 522152352023. The reversal of 522152352021 is 120253251225.

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

It is a cyclic number.

It is not a de Polignac number, because 522152352021 - 2³⁷ = 384713398549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 522152352021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522152352023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22036650 + ... + 22060331.

It is an arithmetic number, because the mean of its divisors is an integer number (87047442468).

Almost surely, 2^522152352021 is an apocalyptic number.

It is an amenable number.

522152352021 is a deficient number, since it is larger than the sum of its proper divisors (174227187723).

522152352021 is a wasteful number, since it uses less digits than its factorization.

522152352021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44100931.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 522152352021 in words is "five hundred twenty-two billion, one hundred fifty-two million, three hundred fifty-two thousand, twenty-one".