525122205342321 has 8 divisors (see below), whose sum is σ = 700163238765760. Its totient is φ = 350081321073552.

The previous prime is 525122205342283. The next prime is 525122205342353. The reversal of 525122205342321 is 123243502221525.

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

It is not a de Polignac number, because 525122205342321 - 2²³ = 525122196953713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 525122205342321.

It is not an unprimeable number, because it can be changed into a prime (525122205342421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28797586 + ... + 43353723.

It is an arithmetic number, because the mean of its divisors is an integer number (87520404845720).

Almost surely, 2^{525122205342321} is an apocalyptic number.

It is an amenable number.

525122205342321 is a deficient number, since it is larger than the sum of its proper divisors (175041033423439).

525122205342321 is a wasteful number, since it uses less digits than its factorization.

525122205342321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74577335.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 525122205342321 its reverse (123243502221525), we get a palindrome (648365707563846).

The spelling of 525122205342321 in words is "five hundred twenty-five trillion, one hundred twenty-two billion, two hundred five million, three hundred forty-two thousand, three hundred twenty-one".