531245440201 has 16 divisors (see below), whose sum is σ = 609653035264. Its totient is φ = 453469446144.

The previous prime is 531245440189. The next prime is 531245440237. The reversal of 531245440201 is 102044542135.

It is a cyclic number.

It is not a de Polignac number, because 531245440201 - 2¹³ = 531245432009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531245440001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2214985 + ... + 2443081.

It is an arithmetic number, because the mean of its divisors is an integer number (38103314704).

Almost surely, 2^531245440201 is an apocalyptic number.

It is an amenable number.

531245440201 is a deficient number, since it is larger than the sum of its proper divisors (78407595063).

531245440201 is a wasteful number, since it uses less digits than its factorization.

531245440201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229480.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 531245440201 its reverse (102044542135), we get a palindrome (633289982336).

The spelling of 531245440201 in words is "five hundred thirty-one billion, two hundred forty-five million, four hundred forty thousand, two hundred one".