531432052001 has 4 divisors (see below), whose sum is σ = 535311118212. Its totient is φ = 527552985792.

The previous prime is 531432051991. The next prime is 531432052043. The reversal of 531432052001 is 100250234135.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 171767973601 + 359664078400 = 414449^2 + 599720^2 .

It is a cyclic number.

It is not a de Polignac number, because 531432052001 - 2³⁰ = 530358310177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531432052601) 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, 1939532900 + ... + 1939533173.

It is an arithmetic number, because the mean of its divisors is an integer number (133827779553).

Almost surely, 2^531432052001 is an apocalyptic number.

It is an amenable number.

531432052001 is a deficient number, since it is larger than the sum of its proper divisors (3879066211).

531432052001 is a wasteful number, since it uses less digits than its factorization.

531432052001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879066210.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 531432052001 its reverse (100250234135), we get a palindrome (631682286136).

The spelling of 531432052001 in words is "five hundred thirty-one billion, four hundred thirty-two million, fifty-two thousand, one".