525423115552321 has 64 divisors (see below), whose sum is σ = 651601417420800. Its totient is φ = 413371475629056.

The previous prime is 525423115552303. The next prime is 525423115552331. The reversal of 525423115552321 is 123255511324525.

It is not a de Polignac number, because 525423115552321 - 2¹⁷ = 525423115421249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525423115552331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13598239320 + ... + 13598277958.

It is an arithmetic number, because the mean of its divisors is an integer number (10181272147200).

Almost surely, 2^{525423115552321} is an apocalyptic number.

It is an amenable number.

525423115552321 is a deficient number, since it is larger than the sum of its proper divisors (126178301868479).

525423115552321 is a wasteful number, since it uses less digits than its factorization.

525423115552321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42758.

The product of its digits is 1800000, while the sum is 46.

Adding to 525423115552321 its reverse (123255511324525), we get a palindrome (648678626876846).

The spelling of 525423115552321 in words is "five hundred twenty-five trillion, four hundred twenty-three billion, one hundred fifteen million, five hundred fifty-two thousand, three hundred twenty-one".