531353552401 has 6 divisors (see below), whose sum is σ = 618105152850. Its totient is φ = 455445902016.

The previous prime is 531353552399. The next prime is 531353552413. The reversal of 531353552401 is 104255353135.

It can be written as a sum of positive squares in only one way, i.e., 518398560001 + 12954992400 = 719999^2 + 113820^2 .

It is not a de Polignac number, because 531353552401 - 2¹ = 531353552399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531353552201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5421974976 + ... + 5421975073.

It is an arithmetic number, because the mean of its divisors is an integer number (103017525475).

Almost surely, 2^531353552401 is an apocalyptic number.

It is an amenable number.

531353552401 is a deficient number, since it is larger than the sum of its proper divisors (86751600449).

531353552401 is a wasteful number, since it uses less digits than its factorization.

531353552401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10843950063 (or 10843950056 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 531353552401 in words is "five hundred thirty-one billion, three hundred fifty-three million, five hundred fifty-two thousand, four hundred one".