525421100255353 has 4 divisors (see below), whose sum is σ = 525487550383440. Its totient is φ = 525354650127268.

The previous prime is 525421100255329. The next prime is 525421100255369. The reversal of 525421100255353 is 353552001124525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 525421100255353 - 2⁵ = 525421100255321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525421100355353) 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, 33225052183 + ... + 33225067996.

It is an arithmetic number, because the mean of its divisors is an integer number (131371887595860).

Almost surely, 2^{525421100255353} is an apocalyptic number.

It is an amenable number.

525421100255353 is a deficient number, since it is larger than the sum of its proper divisors (66450128087).

525421100255353 is an equidigital number, since it uses as much as digits as its factorization.

525421100255353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66450128086.

The product of its (nonzero) digits is 900000, while the sum is 43.

Adding to 525421100255353 its reverse (353552001124525), we get a palindrome (878973101379878).

The spelling of 525421100255353 in words is "five hundred twenty-five trillion, four hundred twenty-one billion, one hundred million, two hundred fifty-five thousand, three hundred fifty-three".