525341311043421 has 8 divisors (see below), whose sum is σ = 700455579868864. Its totient is φ = 350227291456800.

The previous prime is 525341311043407. The next prime is 525341311043453. The reversal of 525341311043421 is 124340113143525.

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

It is not a de Polignac number, because 525341311043421 - 2¹⁰ = 525341311042397 is a prime.

It is a super-2 number, since 2×525341311043421² (a number of 30 digits) contains 22 as substring.

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 525341311043421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525341311053421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57334801 + ... + 65863206.

It is an arithmetic number, because the mean of its divisors is an integer number (87556947483608).

Almost surely, 2^{525341311043421} is an apocalyptic number.

It is an amenable number.

525341311043421 is a deficient number, since it is larger than the sum of its proper divisors (175114268825443).

525341311043421 is a wasteful number, since it uses less digits than its factorization.

525341311043421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124619411.

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 525341311043421 its reverse (124340113143525), we get a palindrome (649681424186946).

The spelling of 525341311043421 in words is "five hundred twenty-five trillion, three hundred forty-one billion, three hundred eleven million, forty-three thousand, four hundred twenty-one".